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20013065615704 = 237357376171709
BaseRepresentation
bin1001000110011101001111…
…01010101011100101011000
32121212020012221201112221111
410203032213222223211120
510110343224244200304
6110321513031350104
74133616264642640
oct443164752534530
977766187645844
1020013065615704
116416547889547
1222b27bb222334
13b222bb14a7a5
144d28cd5c7520
1524a8bbe49704
hex1233a7aab958

20013065615704 has 16 divisors (see below), whose sum is σ = 42885140605200. Its totient is φ = 8577028120992.

The previous prime is 20013065615687. The next prime is 20013065615729. The reversal of 20013065615704 is 40751656031002.

It is a super-2 number, since 2×200130656157042 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178688085799 + ... + 178688085910.

It is an arithmetic number, because the mean of its divisors is an integer number (2680321287825).

Almost surely, 220013065615704 is an apocalyptic number.

It is an amenable number.

20013065615704 is an abundant number, since it is smaller than the sum of its proper divisors (22872074989496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013065615704 is a wasteful number, since it uses less digits than its factorization.

20013065615704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357376171722 (or 357376171718 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 20013065615704 in words is "twenty trillion, thirteen billion, sixty-five million, six hundred fifteen thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 28 56 357376171709 714752343418 1429504686836 2501633201963 2859009373672 5003266403926 10006532807852 20013065615704