Base | Representation |
---|---|
bin | 10000111111010100… |
… | …00111110110011010 |
3 | 212112122220101111120 |
4 | 20133222013312122 |
5 | 122134443223430 |
6 | 4105024110110 |
7 | 442012551150 |
oct | 103752076632 |
9 | 25478811446 |
10 | 9121070490 |
11 | 3960674294 |
12 | 1926765336 |
13 | b2489053c |
14 | 62752d3d0 |
15 | 385b44610 |
hex | 21fa87d9a |
9121070490 has 64 divisors (see below), whose sum is σ = 25059767040. Its totient is φ = 2081318400.
The previous prime is 9121070489. The next prime is 9121070501. The reversal of 9121070490 is 940701219.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90076 + ... + 162344.
It is an arithmetic number, because the mean of its divisors is an integer number (391558860).
Almost surely, 29121070490 is an apocalyptic number.
9121070490 is an abundant number, since it is smaller than the sum of its proper divisors (15938696550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9121070490 is a wasteful number, since it uses less digits than its factorization.
9121070490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72887.
The product of its (nonzero) digits is 4536, while the sum is 33.
The square root of 9121070490 is about 95504.2956625512. The cubic root of 9121070490 is about 2089.3695961246.
The spelling of 9121070490 in words is "nine billion, one hundred twenty-one million, seventy thousand, four hundred ninety".
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