Base | Representation |
---|---|
bin | 11000110000000100… |
… | …01111111110111111 |
3 | 1021022001222200212021 |
4 | 30120002033332333 |
5 | 204203231113311 |
6 | 10034323021011 |
7 | 650202240013 |
oct | 143002177677 |
9 | 37261880767 |
10 | 13288144831 |
11 | 56a98a1985 |
12 | 26aa20a767 |
13 | 1339cab6c0 |
14 | 900b34543 |
15 | 52b8bd171 |
hex | 31808ffbf |
13288144831 has 8 divisors (see below), whose sum is σ = 14313865104. Its totient is φ = 12262932480.
The previous prime is 13288144819. The next prime is 13288144861. The reversal of 13288144831 is 13844188231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13288144831 - 29 = 13288144319 is a prime.
It is a super-2 number, since 2×132881448312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13288144811) 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, 71746 + ... + 178111.
It is an arithmetic number, because the mean of its divisors is an integer number (1789233138).
Almost surely, 213288144831 is an apocalyptic number.
13288144831 is a deficient number, since it is larger than the sum of its proper divisors (1025720273).
13288144831 is a wasteful number, since it uses less digits than its factorization.
13288144831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253961.
The product of its digits is 147456, while the sum is 43.
The spelling of 13288144831 in words is "thirteen billion, two hundred eighty-eight million, one hundred forty-four thousand, eight hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •