Base | Representation |
---|---|
bin | 11000100101000100… |
… | …11100011010001110 |
3 | 1021001122110020121020 |
4 | 30102202130122032 |
5 | 204011123433123 |
6 | 10021230215010 |
7 | 645002322666 |
oct | 142242343216 |
9 | 37048406536 |
10 | 13195921038 |
11 | 5661831873 |
12 | 2683354466 |
13 | 1323b5b501 |
14 | 8d27a91a6 |
15 | 5237527e3 |
hex | 31289c68e |
13195921038 has 16 divisors (see below), whose sum is σ = 26467467600. Its totient is φ = 4386036096.
The previous prime is 13195921007. The next prime is 13195921049. The reversal of 13195921038 is 83012959131.
It is a super-2 number, since 2×131959210382 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3148795 + ... + 3152982.
It is an arithmetic number, because the mean of its divisors is an integer number (1654216725).
Almost surely, 213195921038 is an apocalyptic number.
13195921038 is an abundant number, since it is smaller than the sum of its proper divisors (13271546562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13195921038 is a wasteful number, since it uses less digits than its factorization.
13195921038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6302131.
The product of its (nonzero) digits is 58320, while the sum is 42.
The spelling of 13195921038 in words is "thirteen billion, one hundred ninety-five million, nine hundred twenty-one thousand, thirty-eight".
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