Base | Representation |
---|---|
bin | 110010010110… |
… | …011101000001 |
3 | 220211120212010 |
4 | 302112131001 |
5 | 11334333134 |
6 | 1150523133 |
7 | 220122354 |
oct | 62263501 |
9 | 26746763 |
10 | 13199169 |
11 | 74a5805 |
12 | 45064a9 |
13 | 2971a79 |
14 | 1a7829b |
15 | 125ace9 |
hex | c96741 |
13199169 has 4 divisors (see below), whose sum is σ = 17598896. Its totient is φ = 8799444.
The previous prime is 13199143. The next prime is 13199177. The reversal of 13199169 is 96199131.
It is a happy number.
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 not a de Polignac number, because 13199169 - 27 = 13199041 is a prime.
It is a super-2 number, since 2×131991692 = 348436124581122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13199189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199859 + ... + 2199864.
It is an arithmetic number, because the mean of its divisors is an integer number (4399724).
Almost surely, 213199169 is an apocalyptic number.
It is an amenable number.
13199169 is a deficient number, since it is larger than the sum of its proper divisors (4399727).
13199169 is an equidigital number, since it uses as much as digits as its factorization.
13199169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4399726.
The product of its digits is 13122, while the sum is 39.
The square root of 13199169 is about 3633.0660605059. The cubic root of 13199169 is about 236.3281905741.
The spelling of 13199169 in words is "thirteen million, one hundred ninety-nine thousand, one hundred sixty-nine".
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