Base | Representation |
---|---|
bin | 11000001110010101… |
… | …00100100111111011 |
3 | 1020120100102020100101 |
4 | 30013022210213323 |
5 | 203113302120401 |
6 | 5550252420231 |
7 | 640164433552 |
oct | 140712444773 |
9 | 36510366311 |
10 | 13005113851 |
11 | 5574058584 |
12 | 262b477677 |
13 | 12c3472552 |
14 | 8b52dad99 |
15 | 511b12101 |
hex | 3072a49fb |
13005113851 has 8 divisors (see below), whose sum is σ = 13024747008. Its totient is φ = 12985497000.
The previous prime is 13005113843. The next prime is 13005113857. The reversal of 13005113851 is 15831150031.
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 13005113851 - 23 = 13005113843 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13005113857) 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, 3042846 + ... + 3047116.
It is an arithmetic number, because the mean of its divisors is an integer number (1628093376).
Almost surely, 213005113851 is an apocalyptic number.
13005113851 is a deficient number, since it is larger than the sum of its proper divisors (19633157).
13005113851 is a wasteful number, since it uses less digits than its factorization.
13005113851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8153.
The product of its (nonzero) digits is 1800, while the sum is 28.
Adding to 13005113851 its reverse (15831150031), we get a palindrome (28836263882).
The spelling of 13005113851 in words is "thirteen billion, five million, one hundred thirteen thousand, eight hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •