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105045708440 = 23517231293129
BaseRepresentation
bin110000111010100110…
…1100100111010011000
3101001010211000220000002
41201311031210322120
53210113200132230
6120131330032132
710406062534511
oct1416515447230
9331124026002
10105045708440
1140605622582
1218437718648
139ba0c8323a
14512721da08
152aec1be545
hex1875364e98

105045708440 has 96 divisors (see below), whose sum is σ = 259173820800. Its totient is φ = 38270791680.

The previous prime is 105045708413. The next prime is 105045708497. The reversal of 105045708440 is 44807540501.

It is a super-2 number, since 2×1050457084402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105045708394 and 105045708403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211796 + ... + 504924.

It is an arithmetic number, because the mean of its divisors is an integer number (2699727300).

Almost surely, 2105045708440 is an apocalyptic number.

105045708440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105045708440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129586910400).

105045708440 is an abundant number, since it is smaller than the sum of its proper divisors (154128112360).

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

105045708440 is a wasteful number, since it uses less digits than its factorization.

105045708440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293205 (or 293184 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 105045708440 in words is "one hundred five billion, forty-five million, seven hundred eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 31 34 40 62 68 85 124 136 155 170 248 289 310 340 527 578 620 680 1054 1156 1240 1445 2108 2312 2635 2890 4216 5270 5780 8959 10540 11560 17918 21080 35836 44795 71672 89590 179180 293129 358360 586258 1172516 1465645 2345032 2931290 4983193 5862580 9086999 9966386 11725160 18173998 19932772 24915965 36347996 39865544 45434995 49831930 72695992 84714281 90869990 99663860 154478983 169428562 181739980 199327720 308957966 338857124 363479960 423571405 617915932 677714248 772394915 847142810 1235831864 1544789830 1694285620 2626142711 3089579660 3388571240 5252285422 6179159320 10504570844 13130713555 21009141688 26261427110 52522854220 105045708440