Base | Representation |
---|---|
bin | 100101001110010010… |
… | …0011111011001101111 |
3 | 21122022220002212011121 |
4 | 1022130210133121233 |
5 | 2302202133112311 |
6 | 100415554401411 |
7 | 5526615453223 |
oct | 1123444373157 |
9 | 248286085147 |
10 | 79936222831 |
11 | 3099aa06383 |
12 | 135aa590267 |
13 | 76cbb6484a |
14 | 3c244d6783 |
15 | 212cac1b71 |
hex | 129c91f66f |
79936222831 has 2 divisors, whose sum is σ = 79936222832. Its totient is φ = 79936222830.
The previous prime is 79936222777. The next prime is 79936222841. The reversal of 79936222831 is 13822263997.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 79936222831 - 217 = 79936091759 is a prime.
It is a super-2 number, since 2×799362228312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (79936222841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39968111415 + 39968111416.
It is an arithmetic number, because the mean of its divisors is an integer number (39968111416).
Almost surely, 279936222831 is an apocalyptic number.
79936222831 is a deficient number, since it is larger than the sum of its proper divisors (1).
79936222831 is an equidigital number, since it uses as much as digits as its factorization.
79936222831 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1959552, while the sum is 52.
The spelling of 79936222831 in words is "seventy-nine billion, nine hundred thirty-six million, two hundred twenty-two thousand, eight hundred thirty-one".
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