Base | Representation |
---|---|
bin | 11000011010000000… |
… | …11011111010101100 |
3 | 1020211011211110120101 |
4 | 30031000123322230 |
5 | 203313344320134 |
6 | 10004113200444 |
7 | 642464453110 |
oct | 141500337254 |
9 | 36734743511 |
10 | 13103120044 |
11 | 5614408033 |
12 | 2658260124 |
13 | 130a868691 |
14 | 8c432d740 |
15 | 51a520e14 |
hex | 30d01beac |
13103120044 has 48 divisors (see below), whose sum is σ = 26432727552. Its totient is φ = 5567202432.
The previous prime is 13103119999. The next prime is 13103120053. The reversal of 13103120044 is 44002130131.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3630889 + ... + 3634495.
It is an arithmetic number, because the mean of its divisors is an integer number (550681824).
Almost surely, 213103120044 is an apocalyptic number.
13103120044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13103120044 is an abundant number, since it is smaller than the sum of its proper divisors (13329607508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13103120044 is a wasteful number, since it uses less digits than its factorization.
13103120044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4702 (or 4700 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 13103120044 its reverse (44002130131), we get a palindrome (57105250175).
The spelling of 13103120044 in words is "thirteen billion, one hundred three million, one hundred twenty thousand, forty-four".
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