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168857035797 = 3157358507507
BaseRepresentation
bin1001110101000010101…
…0011110010000010101
3121010211221022011222210
42131100222132100111
510231304400121142
6205323304144033
715125302060002
oct2352052362025
9533757264883
10168857035797
116568043825a
1228885a68019
1312c002125c8
14825bd528a9
1545d432949c
hex2750a9e415

168857035797 has 8 divisors (see below), whose sum is σ = 226576745056. Its totient is φ = 111854341872.

The previous prime is 168857035777. The next prime is 168857035801. The reversal of 168857035797 is 797530758861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168857035797 - 28 = 168857035541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168857035757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179253283 + ... + 179254224.

It is an arithmetic number, because the mean of its divisors is an integer number (28322093132).

Almost surely, 2168857035797 is an apocalyptic number.

It is an amenable number.

168857035797 is a deficient number, since it is larger than the sum of its proper divisors (57719709259).

168857035797 is a wasteful number, since it uses less digits than its factorization.

168857035797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358507667.

The product of its (nonzero) digits is 88905600, while the sum is 66.

The spelling of 168857035797 in words is "one hundred sixty-eight billion, eight hundred fifty-seven million, thirty-five thousand, seven hundred ninety-seven".

Divisors: 1 3 157 471 358507507 1075522521 56285678599 168857035797