Base | Representation |
---|---|
bin | 11000010011010110… |
… | …11000100101111101 |
3 | 1020200021201222101020 |
4 | 30021223120211331 |
5 | 203210100113012 |
6 | 5554400134353 |
7 | 641215651224 |
oct | 141153304575 |
9 | 36607658336 |
10 | 13047269757 |
11 | 5595930975 |
12 | 26416073b9 |
13 | 12cc112482 |
14 | 8bab51cbb |
15 | 51568ca8c |
hex | 309ad897d |
13047269757 has 4 divisors (see below), whose sum is σ = 17396359680. Its totient is φ = 8698179836.
The previous prime is 13047269717. The next prime is 13047269827. The reversal of 13047269757 is 75796274031.
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 a cyclic number.
It is not a de Polignac number, because 13047269757 - 231 = 10899786109 is a prime.
It is a super-2 number, since 2×130472697572 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13047269717) 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, 2174544957 + ... + 2174544962.
It is an arithmetic number, because the mean of its divisors is an integer number (4349089920).
Almost surely, 213047269757 is an apocalyptic number.
It is an amenable number.
13047269757 is a deficient number, since it is larger than the sum of its proper divisors (4349089923).
13047269757 is an equidigital number, since it uses as much as digits as its factorization.
13047269757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4349089922.
The product of its (nonzero) digits is 2222640, while the sum is 51.
The spelling of 13047269757 in words is "thirteen billion, forty-seven million, two hundred sixty-nine thousand, seven hundred fifty-seven".
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