Base | Representation |
---|---|
bin | 101010000101000011… |
… | …000111001111101000 |
3 | 11022121210122020102111 |
4 | 222011003013033220 |
5 | 1220013023440132 |
6 | 32431204012104 |
7 | 3156435314560 |
oct | 520503071750 |
9 | 138553566374 |
10 | 45181858792 |
11 | 18185a88274 |
12 | 890b391034 |
13 | 43507b60b5 |
14 | 228888bda0 |
15 | 12968b2647 |
hex | a850c73e8 |
45181858792 has 32 divisors (see below), whose sum is σ = 101913969600. Its totient is φ = 18344513664.
The previous prime is 45181858763. The next prime is 45181858793. The reversal of 45181858792 is 29785818154.
It is not an unprimeable number, because it can be changed into a prime (45181858793) 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, 21231013 + ... + 21233140.
It is an arithmetic number, because the mean of its divisors is an integer number (3184811550).
Almost surely, 245181858792 is an apocalyptic number.
It is an amenable number.
45181858792 is an abundant number, since it is smaller than the sum of its proper divisors (56732110808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45181858792 is a wasteful number, since it uses less digits than its factorization.
45181858792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42464185 (or 42464181 counting only the distinct ones).
The product of its digits is 6451200, while the sum is 58.
The spelling of 45181858792 in words is "forty-five billion, one hundred eighty-one million, eight hundred fifty-eight thousand, seven hundred ninety-two".
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