Base | Representation |
---|---|
bin | 10010111010110100… |
… | …00110010011000001 |
3 | 222012212021222010100 |
4 | 21131122012103001 |
5 | 131300201312332 |
6 | 4355512553013 |
7 | 506462363466 |
oct | 113532062301 |
9 | 28185258110 |
10 | 10157057217 |
11 | 434243746a |
12 | 1b756b2769 |
13 | c5b3ba638 |
14 | 6c4d6766d |
15 | 3e6a8367c |
hex | 25d6864c1 |
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".
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