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17120570105 = 5311377271109
BaseRepresentation
bin11111111000111011…
…10010101011111001
31122012011101002000002
433330131302223321
5240030331220410
611510505122345
71144156305362
oct177435625371
948164332002
1017120570105
11729612a7a1
1233997893b5
1317cac89972
14b85b06b69
156a30917a5
hex3fc772af9

17120570105 has 32 divisors (see below), whose sum is σ = 21410887680. Its totient is φ = 13127938560.

The previous prime is 17120570029. The next prime is 17120570113. The reversal of 17120570105 is 50107502171.

It is not a de Polignac number, because 17120570105 - 226 = 17053461241 is a prime.

It is a super-2 number, since 2×171205701052 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15437291 + ... + 15438399.

It is an arithmetic number, because the mean of its divisors is an integer number (669090240).

Almost surely, 217120570105 is an apocalyptic number.

It is an amenable number.

17120570105 is a deficient number, since it is larger than the sum of its proper divisors (4290317575).

17120570105 is a wasteful number, since it uses less digits than its factorization.

17120570105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 2450, while the sum is 29.

The spelling of 17120570105 in words is "seventeen billion, one hundred twenty million, five hundred seventy thousand, one hundred five".

Divisors: 1 5 31 137 155 685 727 1109 3635 4247 5545 21235 22537 34379 99599 112685 151933 171895 497995 759665 806243 3087569 4031215 4709923 15437845 23549615 24993533 110455291 124967665 552276455 3424114021 17120570105