Base | Representation |
---|---|
bin | 101010000001110101… |
… | …001010001111001100 |
3 | 11022111001001021212221 |
4 | 222001311022033030 |
5 | 1214410213310023 |
6 | 32421554505124 |
7 | 3155211363220 |
oct | 520165121714 |
9 | 138431037787 |
10 | 45127869388 |
11 | 18158562228 |
12 | 88b52951a4 |
13 | 4342561bc4 |
14 | 2281636780 |
15 | 1291c9a85d |
hex | a81d4a3cc |
45127869388 has 96 divisors (see below), whose sum is σ = 92465856000. Its totient is φ = 18874598400.
The previous prime is 45127869379. The next prime is 45127869389. The reversal of 45127869388 is 88396872154.
It is not an unprimeable number, because it can be changed into a prime (45127869389) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90436363 + ... + 90436861.
It is an arithmetic number, because the mean of its divisors is an integer number (963186000).
Almost surely, 245127869388 is an apocalyptic number.
It is an amenable number.
45127869388 is an abundant number, since it is smaller than the sum of its proper divisors (47337986612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45127869388 is a wasteful number, since it uses less digits than its factorization.
45127869388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 61.
The spelling of 45127869388 in words is "forty-five billion, one hundred twenty-seven million, eight hundred sixty-nine thousand, three hundred eighty-eight".
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