Base | Representation |
---|---|
bin | 101010010111100000… |
… | …0011011101101100010 |
3 | 22200211202111001002110 |
4 | 1110233000123231202 |
5 | 2442313114041444 |
6 | 105444052300150 |
7 | 6400433236056 |
oct | 1245700335542 |
9 | 280752431073 |
10 | 90982955874 |
11 | 35649563418 |
12 | 15772011656 |
13 | 876c672585 |
14 | 459168dc66 |
15 | 25777e2cb9 |
hex | 152f01bb62 |
90982955874 has 32 divisors (see below), whose sum is σ = 188956437120. Its totient is φ = 29170518272.
The previous prime is 90982955863. The next prime is 90982955929. The reversal of 90982955874 is 47855928909.
It is a happy number.
It is a super-2 number, since 2×909829558742 (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, 948327 + ... + 1039850.
It is an arithmetic number, because the mean of its divisors is an integer number (5904888660).
Almost surely, 290982955874 is an apocalyptic number.
90982955874 is an abundant number, since it is smaller than the sum of its proper divisors (97973481246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90982955874 is a wasteful number, since it uses less digits than its factorization.
90982955874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1988474.
The product of its (nonzero) digits is 65318400, while the sum is 66.
The spelling of 90982955874 in words is "ninety billion, nine hundred eighty-two million, nine hundred fifty-five thousand, eight hundred seventy-four".
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