Base | Representation |
---|---|
bin | 11101010000000101… |
… | …111000101110111100 |
3 | 10000001220121200102012 |
4 | 131100011320232330 |
5 | 1003311033211302 |
6 | 22232344550352 |
7 | 2161221525632 |
oct | 352005705674 |
9 | 100056550365 |
10 | 31408491452 |
11 | 12358302558 |
12 | 61067823b8 |
13 | 2c671278b0 |
14 | 173d52b352 |
15 | c3c5e9a52 |
hex | 750178bbc |
31408491452 has 12 divisors (see below), whose sum is σ = 59192926296. Its totient is φ = 14496226800.
The previous prime is 31408491403. The next prime is 31408491469. The reversal of 31408491452 is 25419480413.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302004674 + ... + 302004777.
It is an arithmetic number, because the mean of its divisors is an integer number (4932743858).
Almost surely, 231408491452 is an apocalyptic number.
It is an amenable number.
31408491452 is a deficient number, since it is larger than the sum of its proper divisors (27784434844).
31408491452 is a wasteful number, since it uses less digits than its factorization.
31408491452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604009468 (or 604009466 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 41.
The spelling of 31408491452 in words is "thirty-one billion, four hundred eight million, four hundred ninety-one thousand, four hundred fifty-two".
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