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30056159172957 = 3233731167819061
BaseRepresentation
bin1101101010101111111101…
…01100001101100101011101
310221102100012102002100000220
412311113332230031211131
512414420003222013312
6143531335305111553
76221325433443351
oct665277654154535
9127370172070026
1030056159172957
119638822321995
123455102a885b9
1313a038c238bc8
1475ca23ac1461
15371c6a248c8c
hex1b55feb0d95d

30056159172957 has 16 divisors (see below), whose sum is σ = 41929375602048. Its totient is φ = 19114862374080.

The previous prime is 30056159172829. The next prime is 30056159172961. The reversal of 30056159172957 is 75927195165003.

It is a happy number.

It is not a de Polignac number, because 30056159172957 - 27 = 30056159172829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30056159172957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30056159171957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583883794 + ... + 583935267.

It is an arithmetic number, because the mean of its divisors is an integer number (2620585975128).

Almost surely, 230056159172957 is an apocalyptic number.

It is an amenable number.

30056159172957 is a deficient number, since it is larger than the sum of its proper divisors (11873216429091).

30056159172957 is a wasteful number, since it uses less digits than its factorization.

30056159172957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167819460.

The product of its (nonzero) digits is 17860500, while the sum is 60.

The spelling of 30056159172957 in words is "thirty trillion, fifty-six billion, one hundred fifty-nine million, one hundred seventy-two thousand, nine hundred fifty-seven".

Divisors: 1 3 23 69 373 1119 8579 25737 1167819061 3503457183 26859838403 80579515209 435596509753 1306789529259 10018719724319 30056159172957