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102307479760656 = 2432149256572
BaseRepresentation
bin10111010000110001010000…
…111111010010111100010000
3111102020111111011120121200100
4113100301100333102330100
5101402201204304320111
61001331223554052400
730356320502402232
oct2720612077227420
9442214434517610
10102307479760656
112a6643a41a1135
12b583a5bb7a100
13451172802b8a1
141b399cbd68252
15bc63bb941756
hex5d0c50fd2f10

102307479760656 has 135 divisors (see below), whose sum is σ = 288304313459071. Its totient is φ = 33867629548032.

The previous prime is 102307479760649. The next prime is 102307479760669. The reversal of 102307479760656 is 656067974703201.

It is a happy number.

The square root of 102307479760656 is 10114716.

It is a perfect power (a square), and thus also a powerful number.

102307479760656 is a `hidden beast` number, since 1 + 0 + 2 + 30 + 7 + 479 + 76 + 0 + 65 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62818622672400 + 39488857088256 = 7925820^2 + 6284016^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102307479760593 and 102307479760602.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18085109380 + ... + 18085115036.

Almost surely, 2102307479760656 is an apocalyptic number.

102307479760656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

102307479760656 is the 10114716-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102307479760656

102307479760656 is an abundant number, since it is smaller than the sum of its proper divisors (185996833698415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102307479760656 is an frugal number, since it uses more digits than its factorization.

102307479760656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11626 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 80015040, while the sum is 63.

The spelling of 102307479760656 in words is "one hundred two trillion, three hundred seven billion, four hundred seventy-nine million, seven hundred sixty thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 149 298 447 596 894 1192 1341 1788 2384 2682 3576 5364 5657 7152 10728 11314 16971 21456 22201 22628 33942 44402 45256 50913 66603 67884 88804 90512 101826 133206 135768 177608 199809 203652 266412 271536 355216 399618 407304 532824 799236 814608 842893 1065648 1598472 1685786 2528679 3196944 3371572 5057358 6743144 7586037 10114716 13486288 15172074 20229432 30344148 32001649 40458864 60688296 64003298 96004947 121376592 125591057 128006596 192009894 251182114 256013192 288014841 376773171 384019788 502364228 512026384 576029682 753546342 768039576 1004728456 1130319513 1152059364 1507092684 1536079152 2009456912 2260639026 2304118728 3014185368 4521278052 4608237456 4768245701 6028370736 9042556104 9536491402 14304737103 18085112208 19072982804 28609474206 38145965608 42914211309 57218948412 76291931216 85828422618 114437896824 171656845236 228875793648 343313690472 686627380944 710468609449 1420937218898 2131405828347 2841874437796 4262811656694 5683748875592 6394217485041 8525623313388 11367497751184 12788434970082 17051246626776 25576869940164 34102493253552 51153739880328 102307479760656