Base | Representation |
---|---|
bin | 101001111011111011… |
… | …0011111011011111011 |
3 | 22121110021021020022210 |
4 | 1103313312133123323 |
5 | 2433414221242221 |
6 | 105212154550203 |
7 | 6335465664531 |
oct | 1236766373373 |
9 | 277407236283 |
10 | 90057602811 |
11 | 35214194a20 |
12 | 15554138363 |
13 | 8652a40097 |
14 | 4504814151 |
15 | 2521459276 |
hex | 14f7d9f6fb |
90057602811 has 16 divisors (see below), whose sum is σ = 132837850368. Its totient is φ = 53811626400.
The previous prime is 90057602771. The next prime is 90057602813. The reversal of 90057602811 is 11820675009.
It is not a de Polignac number, because 90057602811 - 27 = 90057602683 is a prime.
It is a super-2 number, since 2×900576028112 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 90057602811.
It is not an unprimeable number, because it can be changed into a prime (90057602813) 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, 19216096 + ... + 19220781.
It is an arithmetic number, because the mean of its divisors is an integer number (8302365648).
Almost surely, 290057602811 is an apocalyptic number.
90057602811 is a deficient number, since it is larger than the sum of its proper divisors (42780247557).
90057602811 is a wasteful number, since it uses less digits than its factorization.
90057602811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38436962.
The product of its (nonzero) digits is 30240, while the sum is 39.
The spelling of 90057602811 in words is "ninety billion, fifty-seven million, six hundred two thousand, eight hundred eleven".
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