Base | Representation |
---|---|
bin | 101010001100110101… |
… | …1110110001010010101 |
3 | 22122220211101001221110 |
4 | 1110121223312022111 |
5 | 2441100030101103 |
6 | 105344353205233 |
7 | 6355530544566 |
oct | 1243153661225 |
9 | 278824331843 |
10 | 90625237653 |
11 | 35485647425 |
12 | 15692260819 |
13 | 87135162a2 |
14 | 4559d7416d |
15 | 25561d2403 |
hex | 1519af6295 |
90625237653 has 32 divisors (see below), whose sum is σ = 127220531200. Its totient is φ = 57311841600.
The previous prime is 90625237621. The next prime is 90625237667. The reversal of 90625237653 is 35673252609.
It is not a de Polignac number, because 90625237653 - 25 = 90625237621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90625237673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976863 + ... + 1065603.
It is an arithmetic number, because the mean of its divisors is an integer number (3975641600).
Almost surely, 290625237653 is an apocalyptic number.
90625237653 is a gapful number since it is divisible by the number (93) formed by its first and last digit.
It is an amenable number.
90625237653 is a deficient number, since it is larger than the sum of its proper divisors (36595293547).
90625237653 is a wasteful number, since it uses less digits than its factorization.
90625237653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88993.
The product of its (nonzero) digits is 2041200, while the sum is 48.
The spelling of 90625237653 in words is "ninety billion, six hundred twenty-five million, two hundred thirty-seven thousand, six hundred fifty-three".
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