Base | Representation |
---|---|
bin | 110010000111… |
… | …100000100001 |
3 | 220201110212212 |
4 | 302013200201 |
5 | 11330403303 |
6 | 1145331505 |
7 | 216446033 |
oct | 62074041 |
9 | 26643785 |
10 | 13137953 |
11 | 7463814 |
12 | 4496b95 |
13 | 294cc4a |
14 | 1a5dc53 |
15 | 1247ad8 |
hex | c87821 |
13137953 has 4 divisors (see below), whose sum is σ = 13168320. Its totient is φ = 13107588.
The previous prime is 13137947. The next prime is 13137961. The reversal of 13137953 is 35973131.
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 a de Polignac number, because none of the positive numbers 2k-13137953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13137973) 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, 14525 + ... + 15402.
It is an arithmetic number, because the mean of its divisors is an integer number (3292080).
Almost surely, 213137953 is an apocalyptic number.
It is an amenable number.
13137953 is a deficient number, since it is larger than the sum of its proper divisors (30367).
13137953 is an equidigital number, since it uses as much as digits as its factorization.
13137953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30366.
The product of its digits is 8505, while the sum is 32.
The square root of 13137953 is about 3624.6314295387. The cubic root of 13137953 is about 235.9622713316.
The spelling of 13137953 in words is "thirteen million, one hundred thirty-seven thousand, nine hundred fifty-three".
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