Base | Representation |
---|---|
bin | 10110011010111101… |
… | …10100110010100100 |
3 | 1011001220101110021010 |
4 | 23031132310302210 |
5 | 144123030010140 |
6 | 5310242022220 |
7 | 604203511413 |
oct | 131536646244 |
9 | 34056343233 |
10 | 12037344420 |
11 | 5117849032 |
12 | 23bb347970 |
13 | 119ab0b70a |
14 | 82297d47a |
15 | 4a6b9a880 |
hex | 2cd7b4ca4 |
12037344420 has 48 divisors (see below), whose sum is σ = 33756766848. Its totient is φ = 3204986880.
The previous prime is 12037344401. The next prime is 12037344427. The reversal of 12037344420 is 2444373021.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (12037344427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116221 + ... + 193860.
It is an arithmetic number, because the mean of its divisors is an integer number (703265976).
Almost surely, 212037344420 is an apocalyptic number.
12037344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12037344420 is an abundant number, since it is smaller than the sum of its proper divisors (21719422428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12037344420 is a wasteful number, since it uses less digits than its factorization.
12037344420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310740 (or 310738 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 30.
The spelling of 12037344420 in words is "twelve billion, thirty-seven million, three hundred forty-four thousand, four hundred twenty".
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