Base | Representation |
---|---|
bin | 11000110010010111… |
… | …11001100110111101 |
3 | 1021100102022121002120 |
4 | 30121023321212331 |
5 | 204223201424322 |
6 | 10040252513153 |
7 | 650525321451 |
oct | 143113714675 |
9 | 37312277076 |
10 | 13307451837 |
11 | 5709789589 |
12 | 26b477b7b9 |
13 | 1340cab574 |
14 | 90351c661 |
15 | 52d433a5c |
hex | 3192f99bd |
13307451837 has 4 divisors (see below), whose sum is σ = 17743269120. Its totient is φ = 8871634556.
The previous prime is 13307451827. The next prime is 13307451881. The reversal of 13307451837 is 73815470331.
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, and also an emirpimes, since its reverse is a distinct semiprime: 73815470331 = 3 ⋅24605156777.
It is a cyclic number.
It is not a de Polignac number, because 13307451837 - 28 = 13307451581 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13307451827) 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, 2217908637 + ... + 2217908642.
It is an arithmetic number, because the mean of its divisors is an integer number (4435817280).
Almost surely, 213307451837 is an apocalyptic number.
It is an amenable number.
13307451837 is a deficient number, since it is larger than the sum of its proper divisors (4435817283).
13307451837 is an equidigital number, since it uses as much as digits as its factorization.
13307451837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4435817282.
The product of its (nonzero) digits is 211680, while the sum is 42.
The spelling of 13307451837 in words is "thirteen billion, three hundred seven million, four hundred fifty-one thousand, eight hundred thirty-seven".
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