Base | Representation |
---|---|
bin | 101001111101111101… |
… | …1010111000111001001 |
3 | 22121122000221120120120 |
4 | 1103323323113013021 |
5 | 2434034223111142 |
6 | 105223040413453 |
7 | 6340256155242 |
oct | 1237373270711 |
9 | 277560846516 |
10 | 90125988297 |
11 | 35249852a54 |
12 | 15573017289 |
13 | 8663c64a77 |
14 | 450d935cc9 |
15 | 25274667ec |
hex | 14fbed71c9 |
90125988297 has 32 divisors (see below), whose sum is σ = 121500288000. Its totient is φ = 59422714560.
The previous prime is 90125988193. The next prime is 90125988299. The reversal of 90125988297 is 79288952109.
It is not a de Polignac number, because 90125988297 - 214 = 90125971913 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 90125988297.
It is not an unprimeable number, because it can be changed into a prime (90125988299) 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 in 31 ways as a sum of consecutive naturals, for example, 131955718 + ... + 131956400.
It is an arithmetic number, because the mean of its divisors is an integer number (3796884000).
Almost surely, 290125988297 is an apocalyptic number.
It is an amenable number.
90125988297 is a deficient number, since it is larger than the sum of its proper divisors (31374299703).
90125988297 is a wasteful number, since it uses less digits than its factorization.
90125988297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1853.
The product of its (nonzero) digits is 6531840, while the sum is 60.
The spelling of 90125988297 in words is "ninety billion, one hundred twenty-five million, nine hundred eighty-eight thousand, two hundred ninety-seven".
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