Base | Representation |
---|---|
bin | 10110111010010100… |
… | …11110000101110100 |
3 | 1011202020110022001202 |
4 | 23131022132011310 |
5 | 200142403202040 |
6 | 5352321112032 |
7 | 613550022554 |
oct | 133512360564 |
9 | 34666408052 |
10 | 12300444020 |
11 | 5242309717 |
12 | 2473488618 |
13 | 1210489757 |
14 | 8498a9164 |
15 | 4bed1b015 |
hex | 2dd29e174 |
12300444020 has 24 divisors (see below), whose sum is σ = 25844015904. Its totient is φ = 4917685536.
The previous prime is 12300443983. The next prime is 12300444041. The reversal of 12300444020 is 2044400321.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 12300443983 and 12300444001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115022 + ... + 194501.
It is an arithmetic number, because the mean of its divisors is an integer number (1076833996).
Almost surely, 212300444020 is an apocalyptic number.
12300444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12300444020 is an abundant number, since it is smaller than the sum of its proper divisors (13543571884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12300444020 is a wasteful number, since it uses less digits than its factorization.
12300444020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311519 (or 311517 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 12300444020 its reverse (2044400321), we get a palindrome (14344844341).
The spelling of 12300444020 in words is "twelve billion, three hundred million, four hundred forty-four thousand, twenty".
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