Base | Representation |
---|---|
bin | 101010001000111001… |
… | …0000100110111100111 |
3 | 22122120120220002000220 |
4 | 1110101302010313213 |
5 | 2440312104344111 |
6 | 105323255335423 |
7 | 6352330600524 |
oct | 1242162046747 |
9 | 278516802026 |
10 | 90492653031 |
11 | 3541781a660 |
12 | 15655981573 |
13 | 86c1c04251 |
14 | 454650014b |
15 | 2549742e06 |
hex | 1511c84de7 |
90492653031 has 16 divisors (see below), whose sum is σ = 132023353728. Its totient is φ = 54678333600.
The previous prime is 90492653011. The next prime is 90492653051. The reversal of 90492653031 is 13035629409.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (90492653011) and next prime (90492653051).
It is not a de Polignac number, because 90492653031 - 26 = 90492652967 is a prime.
It is a super-2 number, since 2×904926530312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90492653011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4131376 + ... + 4153221.
It is an arithmetic number, because the mean of its divisors is an integer number (8251459608).
Almost surely, 290492653031 is an apocalyptic number.
90492653031 is a deficient number, since it is larger than the sum of its proper divisors (41530700697).
90492653031 is a wasteful number, since it uses less digits than its factorization.
90492653031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8284942.
The product of its (nonzero) digits is 174960, while the sum is 42.
The spelling of 90492653031 in words is "ninety billion, four hundred ninety-two million, six hundred fifty-three thousand, thirty-one".
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