Base | Representation |
---|---|
bin | 11101001001101100… |
… | …000000111011000000 |
3 | 2222210102102212220020 |
4 | 131021230000323000 |
5 | 1003101031432302 |
6 | 22213550013440 |
7 | 2155445333511 |
oct | 351154007300 |
9 | 88712385806 |
10 | 31301045952 |
11 | 12302696120 |
12 | 60967a7280 |
13 | 2c4aaa8187 |
14 | 172d15ca08 |
15 | c32e73ebc |
hex | 749b00ec0 |
31301045952 has 56 divisors (see below), whose sum is σ = 90346206912. Its totient is φ = 9485164800.
The previous prime is 31301045939. The next prime is 31301045957. The reversal of 31301045952 is 25954010313.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (31301045957) 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, 7408174 + ... + 7412397.
Almost surely, 231301045952 is an apocalyptic number.
31301045952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31301045952 is an abundant number, since it is smaller than the sum of its proper divisors (59045160960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31301045952 is a wasteful number, since it uses less digits than its factorization.
31301045952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14820597 (or 14820587 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 33.
The spelling of 31301045952 in words is "thirty-one billion, three hundred one million, forty-five thousand, nine hundred fifty-two".
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