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57160616709 = 3719277517183
BaseRepresentation
bin110101001111000010…
…011100101100000101
312110112121210012010010
4311033002130230011
51414031104213314
642131554220433
74062331140210
oct651702345405
9173477705103
1057160616709
11222727503a9
12b0b2b84719
13550c421031
142aa373a777
151748339059
hexd4f09cb05

57160616709 has 32 divisors (see below), whose sum is σ = 92017377280. Its totient is φ = 30832322112.

The previous prime is 57160616699. The next prime is 57160616729. The reversal of 57160616709 is 90761606175.

It is not a de Polignac number, because 57160616709 - 215 = 57160583941 is a prime.

It is a super-2 number, since 2×571606167092 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57160616729) 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 31 ways as a sum of consecutive naturals, for example, 148069 + ... + 369114.

It is an arithmetic number, because the mean of its divisors is an integer number (2875543040).

Almost surely, 257160616709 is an apocalyptic number.

It is an amenable number.

57160616709 is a deficient number, since it is larger than the sum of its proper divisors (34856760571).

57160616709 is a wasteful number, since it uses less digits than its factorization.

57160616709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517489.

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 57160616709 in words is "fifty-seven billion, one hundred sixty million, six hundred sixteen thousand, seven hundred nine".

Divisors: 1 3 7 19 21 57 133 277 399 831 1939 5263 5817 15789 36841 110523 517183 1551549 3620281 9826477 10860843 29479431 68785339 143259691 206356017 429779073 1002817837 2721934129 3008453511 8165802387 19053538903 57160616709