Base | Representation |
---|---|
bin | 1110110110011111… |
… | …10001011010000011 |
3 | 202120200012020000201 |
4 | 13123033301122003 |
5 | 112312131442011 |
6 | 3355103430031 |
7 | 401405014651 |
oct | 73317613203 |
9 | 22520166021 |
10 | 7973312131 |
11 | 34217aa464 |
12 | 16662b5317 |
13 | 9a0b5a895 |
14 | 558d1bdd1 |
15 | 319ec7cc1 |
hex | 1db3f1683 |
7973312131 has 2 divisors, whose sum is σ = 7973312132. Its totient is φ = 7973312130.
The previous prime is 7973312119. The next prime is 7973312143. The reversal of 7973312131 is 1312133797.
It is a balanced prime because it is at equal distance from previous prime (7973312119) and next prime (7973312143).
It is a cyclic number.
It is not a de Polignac number, because 7973312131 - 219 = 7972787843 is a prime.
It is a super-2 number, since 2×79733121312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (7973312111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986656065 + 3986656066.
It is an arithmetic number, because the mean of its divisors is an integer number (3986656066).
Almost surely, 27973312131 is an apocalyptic number.
7973312131 is a deficient number, since it is larger than the sum of its proper divisors (1).
7973312131 is an equidigital number, since it uses as much as digits as its factorization.
7973312131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 23814, while the sum is 37.
The square root of 7973312131 is about 89293.4047452554. The cubic root of 7973312131 is about 1997.7735332593.
The spelling of 7973312131 in words is "seven billion, nine hundred seventy-three million, three hundred twelve thousand, one hundred thirty-one".
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