Base | Representation |
---|---|
bin | 101010001000001100… |
… | …0010100110011000101 |
3 | 22122111221121202002002 |
4 | 1110100120110303011 |
5 | 2440240044002232 |
6 | 105321055155045 |
7 | 6351623606564 |
oct | 1242030246305 |
9 | 278457552062 |
10 | 90469125317 |
11 | 3540550a96a |
12 | 15649b15a85 |
13 | 86ba08721c |
14 | 4543337bdb |
15 | 2547646b62 |
hex | 1510614cc5 |
90469125317 has 2 divisors, whose sum is σ = 90469125318. Its totient is φ = 90469125316.
The previous prime is 90469125293. The next prime is 90469125361. The reversal of 90469125317 is 71352196409.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 87773542756 + 2695582561 = 296266^2 + 51919^2 .
It is a cyclic number.
It is not a de Polignac number, because 90469125317 - 210 = 90469124293 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (90469128317) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45234562658 + 45234562659.
It is an arithmetic number, because the mean of its divisors is an integer number (45234562659).
Almost surely, 290469125317 is an apocalyptic number.
It is an amenable number.
90469125317 is a deficient number, since it is larger than the sum of its proper divisors (1).
90469125317 is an equidigital number, since it uses as much as digits as its factorization.
90469125317 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 408240, while the sum is 47.
The spelling of 90469125317 in words is "ninety billion, four hundred sixty-nine million, one hundred twenty-five thousand, three hundred seventeen".
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