Base | Representation |
---|---|
bin | 100110101011010100… |
… | …0101111111011100111 |
3 | 21221101110002112222012 |
4 | 1031112220233323213 |
5 | 2330100310320122 |
6 | 102053431024435 |
7 | 6000152340464 |
oct | 1152650577347 |
9 | 257343075865 |
10 | 83057901287 |
11 | 32252024629 |
12 | 1411bb0b11b |
13 | 7aa880cc6a |
14 | 403cd3466b |
15 | 2261b9d7e2 |
hex | 1356a2fee7 |
83057901287 has 2 divisors, whose sum is σ = 83057901288. Its totient is φ = 83057901286.
The previous prime is 83057901221. The next prime is 83057901293. The reversal of 83057901287 is 78210975038.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 83057901287 - 212 = 83057897191 is a prime.
It is a super-2 number, since 2×830579012872 (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 (83057301287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41528950643 + 41528950644.
It is an arithmetic number, because the mean of its divisors is an integer number (41528950644).
Almost surely, 283057901287 is an apocalyptic number.
83057901287 is a deficient number, since it is larger than the sum of its proper divisors (1).
83057901287 is an equidigital number, since it uses as much as digits as its factorization.
83057901287 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 846720, while the sum is 50.
The spelling of 83057901287 in words is "eighty-three billion, fifty-seven million, nine hundred one thousand, two hundred eighty-seven".
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