Base | Representation |
---|---|
bin | 110001001100… |
… | …111100110100 |
3 | 220021021212102 |
4 | 301030330310 |
5 | 11300214400 |
6 | 1140241232 |
7 | 214426535 |
oct | 61147464 |
9 | 26237772 |
10 | 12898100 |
11 | 730a596 |
12 | 43a0218 |
13 | 2897a17 |
14 | 19da68c |
15 | 11eb9d5 |
hex | c4cf34 |
12898100 has 18 divisors (see below), whose sum is σ = 27989094. Its totient is φ = 5159200.
The previous prime is 12898099. The next prime is 12898111. The reversal of 12898100 is 189821.
12898100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 4301476 + 8596624 = 2074^2 + 2932^2 .
It is a super-2 number, since 2×128981002 = 332721967220000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64391 + ... + 64590.
Almost surely, 212898100 is an apocalyptic number.
12898100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12898100 is an abundant number, since it is smaller than the sum of its proper divisors (15090994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12898100 is a wasteful number, since it uses less digits than its factorization.
12898100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128995 (or 128988 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 29.
The square root of 12898100 is about 3591.3924876014. The cubic root of 12898100 is about 234.5174949782.
The spelling of 12898100 in words is "twelve million, eight hundred ninety-eight thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.108 sec. • engine limits •