Base | Representation |
---|---|
bin | 110001111110… |
… | …010000111001 |
3 | 220122112221111 |
4 | 301332100321 |
5 | 11323200324 |
6 | 1144440321 |
7 | 216230452 |
oct | 61762071 |
9 | 26575844 |
10 | 13100089 |
11 | 7438322 |
12 | 44790a1 |
13 | 2938942 |
14 | 1a50129 |
15 | 123b794 |
hex | c7e439 |
13100089 has 2 divisors, whose sum is σ = 13100090. Its totient is φ = 13100088.
The previous prime is 13100071. The next prime is 13100111. The reversal of 13100089 is 98000131.
It is an a-pointer prime, because the next prime (13100111) can be obtained adding 13100089 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9363600 + 3736489 = 3060^2 + 1933^2 .
It is a cyclic number.
It is not a de Polignac number, because 13100089 - 25 = 13100057 is a prime.
It is a super-2 number, since 2×131000892 = 343224663615842, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13100039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550044 + 6550045.
It is an arithmetic number, because the mean of its divisors is an integer number (6550045).
Almost surely, 213100089 is an apocalyptic number.
It is an amenable number.
13100089 is a deficient number, since it is larger than the sum of its proper divisors (1).
13100089 is an equidigital number, since it uses as much as digits as its factorization.
13100089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 13100089 is about 3619.4045090318. The cubic root of 13100089 is about 235.7353696126.
The spelling of 13100089 in words is "thirteen million, one hundred thousand, eighty-nine".
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