Base | Representation |
---|---|
bin | 11001001011101110… |
… | …01001011010001110 |
3 | 1021220020111000120200 |
4 | 30211313021122032 |
5 | 210142122142332 |
6 | 10113330554330 |
7 | 656020040616 |
oct | 144567113216 |
9 | 37806430520 |
10 | 13520115342 |
11 | 5808830848 |
12 | 2753a389a6 |
13 | 137607a866 |
14 | 923879a46 |
15 | 541e4017c |
hex | 325dc968e |
13520115342 has 24 divisors (see below), whose sum is σ = 30835351560. Its totient is φ = 4269510000.
The previous prime is 13520115313. The next prime is 13520115353. The reversal of 13520115342 is 24351102531.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19765909 + ... + 19766592.
It is an arithmetic number, because the mean of its divisors is an integer number (1284806315).
Almost surely, 213520115342 is an apocalyptic number.
13520115342 is an abundant number, since it is smaller than the sum of its proper divisors (17315236218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13520115342 is a wasteful number, since it uses less digits than its factorization.
13520115342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39532528 (or 39532525 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 13520115342 its reverse (24351102531), we get a palindrome (37871217873).
The spelling of 13520115342 in words is "thirteen billion, five hundred twenty million, one hundred fifteen thousand, three hundred forty-two".
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