Base | Representation |
---|---|
bin | 11101001110000100… |
… | …010001101110101000 |
3 | 2222222112200111122020 |
4 | 131032010101232220 |
5 | 1003223333440422 |
6 | 22225132424440 |
7 | 2160326656353 |
oct | 351604215650 |
9 | 88875614566 |
10 | 31374515112 |
11 | 12340106636 |
12 | 60b7318120 |
13 | 2c6008ca55 |
14 | 1738c0529a |
15 | c3963795c |
hex | 74e111ba8 |
31374515112 has 32 divisors (see below), whose sum is σ = 78441410880. Its totient is φ = 10457488640.
The previous prime is 31374515101. The next prime is 31374515143. The reversal of 31374515112 is 21151547313.
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, 447088 + ... + 512480.
It is an arithmetic number, because the mean of its divisors is an integer number (2451294090).
Almost surely, 231374515112 is an apocalyptic number.
It is an amenable number.
31374515112 is an abundant number, since it is smaller than the sum of its proper divisors (47066895768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31374515112 is a wasteful number, since it uses less digits than its factorization.
31374515112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85393 (or 85389 counting only the distinct ones).
The product of its digits is 12600, while the sum is 33.
The spelling of 31374515112 in words is "thirty-one billion, three hundred seventy-four million, five hundred fifteen thousand, one hundred twelve".
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