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15316242057 = 3219593174789
BaseRepresentation
bin11100100001110101…
…10100111010001001
31110112102012201020100
432100322310322021
5222331424221212
611011452120013
71051356623634
oct162072647211
943472181210
1015316242057
11654a68a396
122b75466009
1315a121292c
14a54224c1b
155e9980bdc
hex390eb4e89

15316242057 has 48 divisors (see below), whose sum is σ = 23762232000. Its totient is φ = 9477482112.

The previous prime is 15316242001. The next prime is 15316242103. The reversal of 15316242057 is 75024261351.

15316242057 is a `hidden beast` number, since 1 + 5 + 3 + 1 + 624 + 20 + 5 + 7 = 666.

15316242057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15316242057 - 212 = 15316237961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15316240057) 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 47 ways as a sum of consecutive naturals, for example, 3195819 + ... + 3200607.

It is an arithmetic number, because the mean of its divisors is an integer number (495046500).

Almost surely, 215316242057 is an apocalyptic number.

It is an amenable number.

15316242057 is a deficient number, since it is larger than the sum of its proper divisors (8445989943).

15316242057 is a wasteful number, since it uses less digits than its factorization.

15316242057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 15316242057 in words is "fifteen billion, three hundred sixteen million, two hundred forty-two thousand, fifty-seven".

Divisors: 1 3 9 19 57 59 171 177 317 531 951 1121 2853 3363 4789 6023 10089 14367 18069 18703 43101 54207 56109 90991 168327 272973 282551 355357 818919 847653 1066071 1518113 2542959 3198213 4554339 5368469 13663017 16105407 28844147 48316221 86532441 89568667 259597323 268706001 806118003 1701804673 5105414019 15316242057