Base | Representation |
---|---|
bin | 11101001111100111… |
… | …111111100010011101 |
3 | 10000001100212112211102 |
4 | 131033213333202131 |
5 | 1003302031430010 |
6 | 22231505002445 |
7 | 2161065110066 |
oct | 351747774235 |
9 | 100040775742 |
10 | 31400655005 |
11 | 1235393a955 |
12 | 6104023425 |
13 | 2c65612a45 |
14 | 173c48b56d |
15 | c3ba9cba5 |
hex | 74f9ff89d |
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".
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