Base | Representation |
---|---|
bin | 101010010000000011… |
… | …0100101011110001111 |
3 | 22200012022222102021220 |
4 | 1110200012211132033 |
5 | 2441310111113404 |
6 | 105403201054423 |
7 | 6361306004541 |
oct | 1244006453617 |
9 | 280168872256 |
10 | 90732910479 |
11 | 355303a9632 |
12 | 15702327413 |
13 | 872c915313 |
14 | 456a3a1691 |
15 | 25608a04d9 |
hex | 15201a578f |
90732910479 has 32 divisors (see below), whose sum is σ = 134538624000. Its totient is φ = 54151703424.
The previous prime is 90732910469. The next prime is 90732910483. The reversal of 90732910479 is 97401923709.
It is not a de Polignac number, because 90732910479 - 213 = 90732902287 is a prime.
It is a super-2 number, since 2×907329104792 (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 (90732910469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506244 + ... + 661625.
It is an arithmetic number, because the mean of its divisors is an integer number (4204332000).
Almost surely, 290732910479 is an apocalyptic number.
90732910479 is a deficient number, since it is larger than the sum of its proper divisors (43805713521).
90732910479 is a wasteful number, since it uses less digits than its factorization.
90732910479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1167967.
The product of its (nonzero) digits is 857304, while the sum is 51.
The spelling of 90732910479 in words is "ninety billion, seven hundred thirty-two million, nine hundred ten thousand, four hundred seventy-nine".
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