Base | Representation |
---|---|
bin | 101001111101011100… |
… | …1111011100110111110 |
3 | 22121120211200011102220 |
4 | 1103322321323212332 |
5 | 2434020330230121 |
6 | 105221225030210 |
7 | 6336660320340 |
oct | 1237271734676 |
9 | 277524604386 |
10 | 90108836286 |
11 | 352400a8437 |
12 | 15569325366 |
13 | 866053aa51 |
14 | 450b54d290 |
15 | 2525bc96c6 |
hex | 14fae7b9be |
90108836286 has 32 divisors (see below), whose sum is σ = 206306956800. Its totient is φ = 25702394016.
The previous prime is 90108836273. The next prime is 90108836303. The reversal of 90108836286 is 68263880109.
It is a congruent number.
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, 1765701 + ... + 1816016.
It is an arithmetic number, because the mean of its divisors is an integer number (6447092400).
Almost surely, 290108836286 is an apocalyptic number.
90108836286 is an abundant number, since it is smaller than the sum of its proper divisors (116198120514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90108836286 is a wasteful number, since it uses less digits than its factorization.
90108836286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3582328.
The product of its (nonzero) digits is 995328, while the sum is 51.
The spelling of 90108836286 in words is "ninety billion, one hundred eight million, eight hundred thirty-six thousand, two hundred eighty-six".
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