Base | Representation |
---|---|
bin | 11001011110111100… |
… | …00101110101011011 |
3 | 1022022110211000210010 |
4 | 30233132011311123 |
5 | 211004404204014 |
6 | 10141330053003 |
7 | 663015203106 |
oct | 145736056533 |
9 | 38273730703 |
10 | 13681319259 |
11 | 5890825723 |
12 | 2799a1a163 |
13 | 13a05a02aa |
14 | 93b03d73d |
15 | 551184359 |
hex | 32f785d5b |
13681319259 has 8 divisors (see below), whose sum is σ = 18242332432. Its totient is φ = 9120592800.
The previous prime is 13681319257. The next prime is 13681319261. The reversal of 13681319259 is 95291318631.
It is an interprime number because it is at equal distance from previous prime (13681319257) and next prime (13681319261).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13681319259 - 21 = 13681319257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13681319257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95109 + ... + 190809.
It is an arithmetic number, because the mean of its divisors is an integer number (2280291554).
Almost surely, 213681319259 is an apocalyptic number.
13681319259 is a deficient number, since it is larger than the sum of its proper divisors (4561013173).
13681319259 is an equidigital number, since it uses as much as digits as its factorization.
13681319259 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143357.
The product of its digits is 349920, while the sum is 48.
The spelling of 13681319259 in words is "thirteen billion, six hundred eighty-one million, three hundred nineteen thousand, two hundred fifty-nine".
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