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31404052735 = 5116756315137
BaseRepresentation
bin11101001111110100…
…111101000011111111
310000001121021011122021
4131033310331003333
51003303414141420
622232105501011
72161136021026
oct351764750377
9100047234567
1031404052735
11123558506a0
1261051a1767
132c66232433
14173cad38bd
15c3c01e7aa
hex74fd3d0ff

31404052735 has 32 divisors (see below), whose sum is σ = 41801225472. Its totient is φ = 22456980480.

The previous prime is 31404052721. The next prime is 31404052747. The reversal of 31404052735 is 53725040413.

It is not a de Polignac number, because 31404052735 - 219 = 31403528447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31404052735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2067087 + ... + 2082223.

It is an arithmetic number, because the mean of its divisors is an integer number (1306288296).

Almost surely, 231404052735 is an apocalyptic number.

31404052735 is a deficient number, since it is larger than the sum of its proper divisors (10397172737).

31404052735 is a wasteful number, since it uses less digits than its factorization.

31404052735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15783.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 31404052735 in words is "thirty-one billion, four hundred four million, fifty-two thousand, seven hundred thirty-five".

Divisors: 1 5 11 55 67 335 563 737 2815 3685 6193 15137 30965 37721 75685 166507 188605 414931 832535 1014179 2074655 5070895 8522131 11155969 42610655 55779845 93743441 468717205 570982777 2854913885 6280810547 31404052735