Base | Representation |
---|---|
bin | 11101110001110101… |
… | …101001000100101100 |
3 | 10001112100221221101111 |
4 | 131301311221010230 |
5 | 1010441003031343 |
6 | 22404451521404 |
7 | 2211235053163 |
oct | 356165510454 |
9 | 101470857344 |
10 | 31974658348 |
11 | 12618952086 |
12 | 62442b9264 |
13 | 30275088a9 |
14 | 17947c83da |
15 | c72182c9d |
hex | 771d6912c |
31974658348 has 12 divisors (see below), whose sum is σ = 55957343400. Its totient is φ = 15986845952.
The previous prime is 31974658343. The next prime is 31974658393. The reversal of 31974658348 is 84385647913.
It is a junction number, because it is equal to n+sod(n) for n = 31974658292 and 31974658301.
It is not an unprimeable number, because it can be changed into a prime (31974658343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57228 + ... + 259276.
It is an arithmetic number, because the mean of its divisors is an integer number (4663111950).
Almost surely, 231974658348 is an apocalyptic number.
It is an amenable number.
31974658348 is a deficient number, since it is larger than the sum of its proper divisors (23982685052).
31974658348 is a wasteful number, since it uses less digits than its factorization.
31974658348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241616 (or 241614 counting only the distinct ones).
The product of its digits is 17418240, while the sum is 58.
The spelling of 31974658348 in words is "thirty-one billion, nine hundred seventy-four million, six hundred fifty-eight thousand, three hundred forty-eight".
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