Base | Representation |
---|---|
bin | 110001111110… |
… | …011101000101 |
3 | 220122121000101 |
4 | 301332131011 |
5 | 11323211434 |
6 | 1144444101 |
7 | 216232645 |
oct | 61763505 |
9 | 26577011 |
10 | 13100869 |
11 | 7438971 |
12 | 4479631 |
13 | 29390c2 |
14 | 1a50525 |
15 | 123bb14 |
hex | c7e745 |
13100869 has 4 divisors (see below), whose sum is σ = 13670496. Its totient is φ = 12531244.
The previous prime is 13100821. The next prime is 13100887. The reversal of 13100869 is 96800131.
It is a happy number.
13100869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13100869 - 27 = 13100741 is a prime.
It is a super-2 number, since 2×131008692 = 343265537110322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13100809) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284779 + ... + 284824.
It is an arithmetic number, because the mean of its divisors is an integer number (3417624).
Almost surely, 213100869 is an apocalyptic number.
It is an amenable number.
13100869 is a deficient number, since it is larger than the sum of its proper divisors (569627).
13100869 is an equidigital number, since it uses as much as digits as its factorization.
13100869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 569626.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 13100869 is about 3619.5122599599. The cubic root of 13100869 is about 235.7400482052.
The spelling of 13100869 in words is "thirteen million, one hundred thousand, eight hundred sixty-nine".
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