Base | Representation |
---|---|
bin | 101010001001000111… |
… | …100011010000101110 |
3 | 11022210120002211021102 |
4 | 222021013203100232 |
5 | 1220133013142430 |
6 | 32442043203102 |
7 | 3161224524101 |
oct | 521107432056 |
9 | 138716084242 |
10 | 45250130990 |
11 | 18210579179 |
12 | 892a216492 |
13 | 436199b34c |
14 | 2293980738 |
15 | 129c89b345 |
hex | a891e342e |
45250130990 has 32 divisors (see below), whose sum is σ = 81861373440. Its totient is φ = 18008861344.
The previous prime is 45250130909. The next prime is 45250131013. The reversal of 45250130990 is 9903105254.
It is a super-2 number, since 2×452501309902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196317 + ... + 2216823.
It is an arithmetic number, because the mean of its divisors is an integer number (2558167920).
Almost surely, 245250130990 is an apocalyptic number.
45250130990 is a deficient number, since it is larger than the sum of its proper divisors (36611242450).
45250130990 is a wasteful number, since it uses less digits than its factorization.
45250130990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21616.
The product of its (nonzero) digits is 48600, while the sum is 38.
The spelling of 45250130990 in words is "forty-five billion, two hundred fifty million, one hundred thirty thousand, nine hundred ninety".
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