Base | Representation |
---|---|
bin | 11101001110010111… |
… | …100111010100001011 |
3 | 2222222220020001012201 |
4 | 131032113213110023 |
5 | 1003231133144032 |
6 | 22225433221031 |
7 | 2160421031263 |
oct | 351627472413 |
9 | 88886201181 |
10 | 31379584267 |
11 | 12342a59119 |
12 | 60b8b61777 |
13 | 2c61146155 |
14 | 17397647a3 |
15 | c39cd98e7 |
hex | 74e5e750b |
31379584267 has 2 divisors, whose sum is σ = 31379584268. Its totient is φ = 31379584266.
The previous prime is 31379584261. The next prime is 31379584277. The reversal of 31379584267 is 76248597313.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31379584267 - 211 = 31379582219 is a prime.
It is not a weakly prime, because it can be changed into another prime (31379584261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15689792133 + 15689792134.
It is an arithmetic number, because the mean of its divisors is an integer number (15689792134).
Almost surely, 231379584267 is an apocalyptic number.
31379584267 is a deficient number, since it is larger than the sum of its proper divisors (1).
31379584267 is an equidigital number, since it uses as much as digits as its factorization.
31379584267 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7620480, while the sum is 55.
The spelling of 31379584267 in words is "thirty-one billion, three hundred seventy-nine million, five hundred eighty-four thousand, two hundred sixty-seven".
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