Base | Representation |
---|---|
bin | 101010010000011011… |
… | …1010010100001011011 |
3 | 22200020020000001220220 |
4 | 1110200313102201123 |
5 | 2441321343143130 |
6 | 105404334451123 |
7 | 6361522351434 |
oct | 1244067224133 |
9 | 280206001826 |
10 | 90745677915 |
11 | 35537629a32 |
12 | 15706663aa3 |
13 | 8732465709 |
14 | 456bd6648b |
15 | 2561a73410 |
hex | 1520dd285b |
90745677915 has 8 divisors (see below), whose sum is σ = 145193084688. Its totient is φ = 48397694880.
The previous prime is 90745677899. The next prime is 90745677977. The reversal of 90745677915 is 51977654709.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90745677915 - 24 = 90745677899 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 3024855916 + ... + 3024855945.
It is an arithmetic number, because the mean of its divisors is an integer number (18149135586).
Almost surely, 290745677915 is an apocalyptic number.
90745677915 is a deficient number, since it is larger than the sum of its proper divisors (54447406773).
90745677915 is a wasteful number, since it uses less digits than its factorization.
90745677915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6049711869.
The product of its (nonzero) digits is 16669800, while the sum is 60.
The spelling of 90745677915 in words is "ninety billion, seven hundred forty-five million, six hundred seventy-seven thousand, nine hundred fifteen".
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