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152809064464 = 24722326072
BaseRepresentation
bin1000111001010000100…
…0010100100000010000
3112121102112012202220011
42032110020110200100
510000423110030324
6154111032324304
714016515421400
oct2162410244020
9477375182804
10152809064464
1159895807931
1225747543694
1311543531494
147578894800
153e95509c94
hex2394214810

152809064464 has 135 divisors (see below), whose sum is σ = 360624416607. Its totient is φ = 62539025472.

The previous prime is 152809064453. The next prime is 152809064489. The reversal of 152809064464 is 464460908251.

The square root of 152809064464 is 390908.

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

It is a super-2 number, since 2×1528090644642 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 251744449 + ... + 251745055.

Almost surely, 2152809064464 is an apocalyptic number.

152809064464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

152809064464 is the 390908-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152809064464

152809064464 is an abundant number, since it is smaller than the sum of its proper divisors (207815352143).

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

152809064464 is an frugal number, since it uses more digits than its factorization.

152809064464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

Multiplying 152809064464 by its sum of digits (49), we get a square (7487644158736 = 27363562).

152809064464 divided by its sum of digits (49) gives a square (3118552336 = 558442).

The spelling of 152809064464 in words is "one hundred fifty-two billion, eight hundred nine million, sixty-four thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 23 28 46 49 56 92 98 112 161 184 196 322 368 392 529 607 644 784 1058 1127 1214 1288 2116 2254 2428 2576 3703 4232 4249 4508 4856 7406 8464 8498 9016 9712 13961 14812 16996 18032 25921 27922 29624 29743 33992 51842 55844 59248 59486 67984 97727 103684 111688 118972 195454 207368 223376 237944 321103 368449 390908 414736 475888 642206 684089 736898 781816 1284412 1368178 1473796 1563632 2247721 2568824 2579143 2736356 2947592 4495442 5137648 5158286 5472712 5895184 8474327 8990884 10316572 10945424 15734047 16948654 17981768 18054001 20633144 31468094 33897308 35963536 36108002 41266288 59320289 62936188 67794616 72216004 118640578 125872376 135589232 144432008 194909521 237281156 251744752 288864016 389819042 415242023 474562312 779638084 830484046 949124624 1364366647 1559276168 1660968092 2728733294 3118552336 3321936184 5457466588 6643872368 9550566529 10914933176 19101133058 21829866352 38202266116 76404532232 152809064464