Base | Representation |
---|---|
bin | 101010010100101011… |
… | …1111100111011100011 |
3 | 22200121011200001022112 |
4 | 1110221113330323203 |
5 | 2442114421123310 |
6 | 105430435025535 |
7 | 6365205100661 |
oct | 1245127747343 |
9 | 280534601275 |
10 | 90888457955 |
11 | 3560018a769 |
12 | 1574643b2ab |
13 | 8755c07249 |
14 | 4582cd1c31 |
15 | 256e378705 |
hex | 15295fcee3 |
90888457955 has 8 divisors (see below), whose sum is σ = 113808156192. Its totient is φ = 69549428608.
The previous prime is 90888457951. The next prime is 90888457997. The reversal of 90888457955 is 55975488809.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90888457955 - 22 = 90888457951 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90888457951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395167094 + ... + 395167323.
It is an arithmetic number, because the mean of its divisors is an integer number (14226019524).
Almost surely, 290888457955 is an apocalyptic number.
90888457955 is a deficient number, since it is larger than the sum of its proper divisors (22919698237).
90888457955 is a wasteful number, since it uses less digits than its factorization.
90888457955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790334445.
The product of its (nonzero) digits is 145152000, while the sum is 68.
The spelling of 90888457955 in words is "ninety billion, eight hundred eighty-eight million, four hundred fifty-seven thousand, nine hundred fifty-five".
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