Base | Representation |
---|---|
bin | 11101001100011100… |
… | …110010110100011010 |
3 | 2222220122122021210022 |
4 | 131030130302310122 |
5 | 1003144412401144 |
6 | 22222323150442 |
7 | 2156550253541 |
oct | 351434626432 |
9 | 88818567708 |
10 | 31347387674 |
11 | 12326868369 |
12 | 60aa215422 |
13 | 2c57582405 |
14 | 1735383158 |
15 | c37079cee |
hex | 74c732d1a |
31347387674 has 16 divisors (see below), whose sum is σ = 48543770880. Its totient is φ = 15166253280.
The previous prime is 31347387649. The next prime is 31347387679. The reversal of 31347387674 is 47678374313.
It is not an unprimeable number, because it can be changed into a prime (31347387679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583937 + ... + 635355.
It is an arithmetic number, because the mean of its divisors is an integer number (3033985680).
Almost surely, 231347387674 is an apocalyptic number.
31347387674 is a deficient number, since it is larger than the sum of its proper divisors (17196383206).
31347387674 is a wasteful number, since it uses less digits than its factorization.
31347387674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61285.
The product of its digits is 7112448, while the sum is 53.
The spelling of 31347387674 in words is "thirty-one billion, three hundred forty-seven million, three hundred eighty-seven thousand, six hundred seventy-four".
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