Base | Representation |
---|---|
bin | 11101001001010001… |
… | …110111001000101101 |
3 | 2222202221112120110201 |
4 | 131021101313020231 |
5 | 1003042303041000 |
6 | 22213143033501 |
7 | 2155333140622 |
oct | 351121671055 |
9 | 88687476421 |
10 | 31294190125 |
11 | 122a9833250 |
12 | 609443b891 |
13 | 2c49547783 |
14 | 172c296349 |
15 | c3256c96a |
hex | 74947722d |
31294190125 has 32 divisors (see below), whose sum is σ = 42625440000. Its totient is φ = 22748824000.
The previous prime is 31294190107. The next prime is 31294190183. The reversal of 31294190125 is 52109149213.
It is not a de Polignac number, because 31294190125 - 227 = 31159972397 is a prime.
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, 4119831 + ... + 4127419.
It is an arithmetic number, because the mean of its divisors is an integer number (1332045000).
Almost surely, 231294190125 is an apocalyptic number.
It is an amenable number.
31294190125 is a deficient number, since it is larger than the sum of its proper divisors (11331249875).
31294190125 is a wasteful number, since it uses less digits than its factorization.
31294190125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10614 (or 10604 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 37.
The spelling of 31294190125 in words is "thirty-one billion, two hundred ninety-four million, one hundred ninety thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •