Base | Representation |
---|---|
bin | 101001111100111000… |
… | …0111110011110101010 |
3 | 22121112111200112012121 |
4 | 1103321300332132222 |
5 | 2434000431232110 |
6 | 105215303101454 |
7 | 6336335625130 |
oct | 1237160763652 |
9 | 277474615177 |
10 | 90089711530 |
11 | 35230325755 |
12 | 15562a4188a |
13 | 86595a2b20 |
14 | 4508bb1750 |
15 | 252419ccda |
hex | 14f9c3e7aa |
90089711530 has 32 divisors (see below), whose sum is σ = 199583362944. Its totient is φ = 28511908416.
The previous prime is 90089711521. The next prime is 90089711597. The reversal of 90089711530 is 3511798009.
It is a super-2 number, since 2×900897115302 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49498932 + ... + 49500751.
It is an arithmetic number, because the mean of its divisors is an integer number (6236980092).
Almost surely, 290089711530 is an apocalyptic number.
90089711530 is an abundant number, since it is smaller than the sum of its proper divisors (109493651414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90089711530 is a wasteful number, since it uses less digits than its factorization.
90089711530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98999710.
The product of its (nonzero) digits is 68040, while the sum is 43.
The spelling of 90089711530 in words is "ninety billion, eighty-nine million, seven hundred eleven thousand, five hundred thirty".
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