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20016315042625 = 5311172777308359
BaseRepresentation
bin1001000110100011010010…
…10110010000101101000001
32121212112121102002112200201
410203101221112100231001
510110421403122331000
6110323211310045201
74134062642422546
oct443215126205501
977775542075621
1020016315042625
116417965021040
1222b33674a9801
13b226b8403905
144d2b1ad9abcd
1524aa0c35c96a
hex123469590b41

20016315042625 has 64 divisors (see below), whose sum is σ = 28864804999680. Its totient is φ = 13696028928000.

The previous prime is 20016315042623. The next prime is 20016315042641. The reversal of 20016315042625 is 52624051361002.

It is not a de Polignac number, because 20016315042625 - 21 = 20016315042623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20016315042623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64758196 + ... + 65066554.

It is an arithmetic number, because the mean of its divisors is an integer number (451012578120).

Almost surely, 220016315042625 is an apocalyptic number.

20016315042625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20016315042625 is a deficient number, since it is larger than the sum of its proper divisors (8848489957055).

20016315042625 is a wasteful number, since it uses less digits than its factorization.

20016315042625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311179 (or 311169 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20016315042625 in words is "twenty trillion, sixteen billion, three hundred fifteen million, forty-two thousand, six hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 125 187 275 425 935 1375 2125 2777 4675 13885 23375 30547 47209 69425 152735 236045 308359 347125 519299 763675 1180225 1541795 2596495 3391949 3818375 5242103 5901125 7708975 12982475 16959745 26210515 38544875 57663133 64912375 84798725 131052575 288315665 423993625 655262875 856312943 1441578325 4281564715 7207891625 9419442373 14557320031 21407823575 47097211865 72786600155 107039117875 160130520341 235486059325 363933000775 800652601705 1177430296625 1819665003875 4003263008525 20016315042625