Base | Representation |
---|---|
bin | 11000110000011011… |
… | …01111101111001000 |
3 | 1021022021122210210121 |
4 | 30120031233233020 |
5 | 204210014032342 |
6 | 10034511353024 |
7 | 650236661104 |
oct | 143015575710 |
9 | 37267583717 |
10 | 13291158472 |
11 | 5700570099 |
12 | 26ab222774 |
13 | 133a7c5317 |
14 | 9012ba904 |
15 | 52bcb6067 |
hex | 31836fbc8 |
13291158472 has 32 divisors (see below), whose sum is σ = 25297130880. Its totient is φ = 6545508480.
The previous prime is 13291158469. The next prime is 13291158473. The reversal of 13291158472 is 27485119231.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (13291158473) 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, 418597 + ... + 449227.
It is an arithmetic number, because the mean of its divisors is an integer number (790535340).
Almost surely, 213291158472 is an apocalyptic number.
It is an amenable number.
13291158472 is a deficient number, since it is larger than the sum of its proper divisors (12005972408).
13291158472 is a wasteful number, since it uses less digits than its factorization.
13291158472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31453 (or 31449 counting only the distinct ones).
The product of its digits is 120960, while the sum is 43.
The spelling of 13291158472 in words is "thirteen billion, two hundred ninety-one million, one hundred fifty-eight thousand, four hundred seventy-two".
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