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10157057217 = 323153686891
BaseRepresentation
bin10010111010110100…
…00110010011000001
3222012212021222010100
421131122012103001
5131300201312332
64355512553013
7506462363466
oct113532062301
928185258110
1010157057217
11434243746a
121b756b2769
13c5b3ba638
146c4d6766d
153e6a8367c
hex25d6864c1

10157057217 has 24 divisors (see below), whose sum is σ = 15430341888. Its totient is φ = 6429290400.

The previous prime is 10157057173. The next prime is 10157057233. The reversal of 10157057217 is 71275075101.

10157057217 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 70 + 572 + 17 = 666.

It is not a de Polignac number, because 10157057217 - 216 = 10156991681 is a prime.

It is a super-2 number, since 2×101570572172 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10157057017) 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, 328659 + ... + 358232.

It is an arithmetic number, because the mean of its divisors is an integer number (642930912).

Almost surely, 210157057217 is an apocalyptic number.

It is an amenable number.

10157057217 is a deficient number, since it is larger than the sum of its proper divisors (5273284671).

10157057217 is a wasteful number, since it uses less digits than its factorization.

10157057217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686981 (or 686978 counting only the distinct ones).

The product of its (nonzero) digits is 17150, while the sum is 36.

The spelling of 10157057217 in words is "ten billion, one hundred fifty-seven million, fifty-seven thousand, two hundred seventeen".

Divisors: 1 3 9 31 53 93 159 279 477 1643 4929 14787 686891 2060673 6182019 21293621 36405223 63880863 109215669 191642589 327647007 1128561913 3385685739 10157057217