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20315113063065 = 3254190310773619
BaseRepresentation
bin1001001111001111110110…
…00110010000001010011001
32122221002212011021200110100
410213213323012100022121
510130320322421004230
6111112344544410013
74164501303613512
oct447477306201231
978832764250410
1020315113063065
11652265578a2a7
122341256316909
13b449261c6cc2
14503384615a09
1525369923e660
hex1279fb190299

20315113063065 has 24 divisors (see below), whose sum is σ = 35213706253440. Its totient is φ = 10834467394464.

The previous prime is 20315113063061. The next prime is 20315113063099. The reversal of 20315113063065 is 56036031151302.

20315113063065 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 5 + 1 + 13 + 0 + 630 + 6 + 5 = 666.

It is not a de Polignac number, because 20315113063065 - 22 = 20315113063061 is a prime.

It is a super-2 number, since 2×203151130630652 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20315113063061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3501175 + ... + 7272444.

It is an arithmetic number, because the mean of its divisors is an integer number (1467237760560).

Almost surely, 220315113063065 is an apocalyptic number.

It is an amenable number.

20315113063065 is a deficient number, since it is larger than the sum of its proper divisors (14898593190375).

20315113063065 is a wasteful number, since it uses less digits than its factorization.

20315113063065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815533 (or 10815530 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 20315113063065 in words is "twenty trillion, three hundred fifteen billion, one hundred thirteen million, sixty-three thousand, sixty-five".

Divisors: 1 3 5 9 15 45 41903 125709 209515 377127 628545 1885635 10773619 32320857 53868095 96962571 161604285 484812855 451446956957 1354340870871 2257234784785 4063022612613 6771704354355 20315113063065