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31400655005 = 531202584871
BaseRepresentation
bin11101001111100111…
…111111100010011101
310000001100212112211102
4131033213333202131
51003302031430010
622231505002445
72161065110066
oct351747774235
9100040775742
1031400655005
111235393a955
126104023425
132c65612a45
14173c48b56d
15c3ba9cba5
hex74f9ff89d

31400655005 has 8 divisors (see below), whose sum is σ = 38896295424. Its totient is φ = 24310184400.

The previous prime is 31400654993. The next prime is 31400655043. The reversal of 31400655005 is 50055600413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31400655005 - 216 = 31400589469 is a prime.

It is a super-2 number, since 2×314006550052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101292281 + ... + 101292590.

It is an arithmetic number, because the mean of its divisors is an integer number (4862036928).

Almost surely, 231400655005 is an apocalyptic number.

It is an amenable number.

31400655005 is a deficient number, since it is larger than the sum of its proper divisors (7495640419).

31400655005 is a wasteful number, since it uses less digits than its factorization.

31400655005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202584907.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 31400655005 in words is "thirty-one billion, four hundred million, six hundred fifty-five thousand, five".

Divisors: 1 5 31 155 202584871 1012924355 6280131001 31400655005