Base | Representation |
---|---|
bin | 10100100110110110110111… |
… | …101000001011000010000100 |
3 | 102212220020221011021201210022 |
4 | 110212312313220023002010 |
5 | 43334400132013034442 |
6 | 520431220353114312 |
7 | 25042613161263260 |
oct | 2446666750130204 |
9 | 385806834251708 |
10 | 90631185674372 |
11 | 26972519621462 |
12 | a1b8b20858998 |
13 | 3b7563a859aa5 |
14 | 1854803a530a0 |
15 | a727d247e3d2 |
hex | 526db7a0b084 |
90631185674372 has 24 divisors (see below), whose sum is σ = 181263782743680. Its totient is φ = 38841634275840.
The previous prime is 90631185674371. The next prime is 90631185674389. The reversal of 90631185674372 is 27347658113609.
It is a super-3 number, since 3×906311856743723 (a number of 43 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (90631185674371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8922704 + ... + 16151687.
It is an arithmetic number, because the mean of its divisors is an integer number (7552657614320).
It is a 1-persistent number, because it is pandigital, but 2⋅90631185674372 = 181262371348744 is not.
Almost surely, 290631185674372 is an apocalyptic number.
It is an amenable number.
90631185674372 is an abundant number, since it is smaller than the sum of its proper divisors (90632597069308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90631185674372 is a wasteful number, since it uses less digits than its factorization.
90631185674372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25203491 (or 25203489 counting only the distinct ones).
The product of its (nonzero) digits is 45722880, while the sum is 62.
The spelling of 90631185674372 in words is "ninety trillion, six hundred thirty-one billion, one hundred eighty-five million, six hundred seventy-four thousand, three hundred seventy-two".
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