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56516043153 = 319991509529
BaseRepresentation
bin110100101000100111…
…100110000110010001
312101212200220110102110
4310220213212012101
51411221101340103
641544010535533
74040343304053
oct645047460621
9171780813373
1056516043153
1121a71918789
12ab531375a9
135438a19c6b
142a41cad8d3
15170b964403
hexd289e6191

56516043153 has 8 divisors (see below), whose sum is σ = 79320762400. Its totient is φ = 35694343008.

The previous prime is 56516043151. The next prime is 56516043163. The reversal of 56516043153 is 35134061565.

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

It is not a de Polignac number, because 56516043153 - 21 = 56516043151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56516043151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495754708 + ... + 495754821.

It is an arithmetic number, because the mean of its divisors is an integer number (9915095300).

Almost surely, 256516043153 is an apocalyptic number.

It is an amenable number.

56516043153 is a deficient number, since it is larger than the sum of its proper divisors (22804719247).

56516043153 is a wasteful number, since it uses less digits than its factorization.

56516043153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991509551.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 56516043153 in words is "fifty-six billion, five hundred sixteen million, forty-three thousand, one hundred fifty-three".

Divisors: 1 3 19 57 991509529 2974528587 18838681051 56516043153