Base | Representation |
---|---|
bin | 10110100010111110… |
… | …00010111110101000 |
3 | 1011020120202220001001 |
4 | 23101133002332220 |
5 | 144242223331100 |
6 | 5321041404344 |
7 | 605650435462 |
oct | 132137027650 |
9 | 34216686031 |
10 | 12104511400 |
11 | 5151754633 |
12 | 24199396b4 |
13 | 11ab9c78a7 |
14 | 82b865132 |
15 | 4aca16d6a |
hex | 2d17c2fa8 |
12104511400 has 24 divisors (see below), whose sum is σ = 28142989470. Its totient is φ = 4841804480.
The previous prime is 12104511389. The next prime is 12104511407. The reversal of 12104511400 is 411540121.
It can be written as a sum of positive squares in 3 ways, for example, as 11397270564 + 707240836 = 106758^2 + 26594^2 .
It is not an unprimeable number, because it can be changed into a prime (12104511407) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30261079 + ... + 30261478.
Almost surely, 212104511400 is an apocalyptic number.
12104511400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12104511400 is an abundant number, since it is smaller than the sum of its proper divisors (16038478070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12104511400 is a wasteful number, since it uses less digits than its factorization.
12104511400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60522573 (or 60522564 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The spelling of 12104511400 in words is "twelve billion, one hundred four million, five hundred eleven thousand, four hundred".
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