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10161572512 = 257132416547
BaseRepresentation
bin10010111011010110…
…10100101010100000
3222020011210100221111
421131223110222200
5131302330310022
64400153433104
7506545640560
oct113553245240
928204710844
1010161572512
114344a40913
121b7710b794
13c5c30b900
146c57c0da0
153e7176477
hex25dad4aa0

10161572512 has 144 divisors (see below), whose sum is σ = 25365275712. Its totient is φ = 3921315840.

The previous prime is 10161572501. The next prime is 10161572513. The reversal of 10161572512 is 21527516101.

It is not an unprimeable number, because it can be changed into a prime (10161572513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548823 + ... + 1555369.

It is an arithmetic number, because the mean of its divisors is an integer number (176147748).

Almost surely, 210161572512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10161572512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12682637856).

10161572512 is an abundant number, since it is smaller than the sum of its proper divisors (15203703200).

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

10161572512 is a wasteful number, since it uses less digits than its factorization.

10161572512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631 (or 6610 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 10161572512 in words is "ten billion, one hundred sixty-one million, five hundred seventy-two thousand, five hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 41 52 56 82 91 104 112 164 169 182 208 224 287 328 338 364 416 533 574 656 676 728 1066 1148 1183 1312 1352 1456 2132 2296 2366 2704 2912 3731 4264 4592 4732 5408 6547 6929 7462 8528 9184 9464 13094 13858 14924 17056 18928 26188 27716 29848 37856 45829 48503 52376 55432 59696 85111 91658 97006 104752 110864 119392 170222 183316 194012 209504 221728 268427 340444 366632 388024 536854 595777 680888 733264 776048 1073708 1106443 1191554 1361776 1466528 1552096 1878989 2147416 2212886 2383108 2723552 3489551 3757978 4294832 4425772 4766216 6979102 7515956 7745101 8589664 8851544 9532432 13958204 15031912 15490202 17703088 19064864 24426857 27916408 30063824 30980404 35406176 45364163 48853714 55832816 60127648 61960808 90728326 97707428 111665632 123921616 181456652 195414856 247843232 317549141 362913304 390829712 635098282 725826608 781659424 1270196564 1451653216 2540393128 5080786256 10161572512