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31406269075 = 5211617108139
BaseRepresentation
bin11101001111111101…
…011010001010010011
310000001202102202212221
4131033331122022103
51003310001102300
622232225201511
72161163611456
oct351775321223
9100052382787
1031406269075
1112357024885
126105a90297
132c6682a18c
14173d10d49d
15c3c30b31a
hex74ff5a293

31406269075 has 12 divisors (see below), whose sum is σ = 38947486120. Its totient is φ = 25122620160.

The previous prime is 31406269067. The next prime is 31406269079. The reversal of 31406269075 is 57096260413.

It is not a de Polignac number, because 31406269075 - 23 = 31406269067 is a prime.

It is a super-2 number, since 2×314062690752 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31406269079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236356 + ... + 344494.

Almost surely, 231406269075 is an apocalyptic number.

31406269075 is a deficient number, since it is larger than the sum of its proper divisors (7541217045).

31406269075 is a wasteful number, since it uses less digits than its factorization.

31406269075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119766 (or 119761 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 31406269075 in words is "thirty-one billion, four hundred six million, two hundred sixty-nine thousand, seventy-five".

Divisors: 1 5 25 11617 58085 108139 290425 540695 2703475 1256250763 6281253815 31406269075