Base | Representation |
---|---|
bin | 10111001100100110… |
… | …10110000100000100 |
3 | 1012010220221211102122 |
4 | 23212103112010010 |
5 | 201001130443010 |
6 | 5415435225112 |
7 | 620421154610 |
oct | 134623260404 |
9 | 35126854378 |
10 | 12453765380 |
11 | 531090a291 |
12 | 24b68a8198 |
13 | 123617c354 |
14 | 861dba340 |
15 | 4cd504855 |
hex | 2e64d6104 |
12453765380 has 48 divisors (see below), whose sum is σ = 31188568320. Its totient is φ = 4084215168.
The previous prime is 12453765353. The next prime is 12453765391. The reversal of 12453765380 is 8356735421.
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, 1930595 + ... + 1937034.
It is an arithmetic number, because the mean of its divisors is an integer number (649761840).
Almost surely, 212453765380 is an apocalyptic number.
12453765380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12453765380 is an abundant number, since it is smaller than the sum of its proper divisors (18734802940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12453765380 is a wasteful number, since it uses less digits than its factorization.
12453765380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3867668 (or 3867666 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 44.
The spelling of 12453765380 in words is "twelve billion, four hundred fifty-three million, seven hundred sixty-five thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •