Base | Representation |
---|---|
bin | 11001000111000010… |
… | …11011101011100011 |
3 | 1021210111122002010212 |
4 | 30203201123223203 |
5 | 210102100243304 |
6 | 10105405444335 |
7 | 655032330563 |
oct | 144341335343 |
9 | 37714562125 |
10 | 13480868579 |
11 | 5798665102 |
12 | 27428706ab |
13 | 136abb8b19 |
14 | 91c580da3 |
15 | 53d78b66e |
hex | 32385bae3 |
13480868579 has 2 divisors, whose sum is σ = 13480868580. Its totient is φ = 13480868578.
The previous prime is 13480868567. The next prime is 13480868587. The reversal of 13480868579 is 97586808431.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13480868579 is a prime.
It is not a weakly prime, because it can be changed into another prime (13480868279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740434289 + 6740434290.
It is an arithmetic number, because the mean of its divisors is an integer number (6740434290).
Almost surely, 213480868579 is an apocalyptic number.
13480868579 is a deficient number, since it is larger than the sum of its proper divisors (1).
13480868579 is an equidigital number, since it uses as much as digits as its factorization.
13480868579 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11612160, while the sum is 59.
The spelling of 13480868579 in words is "thirteen billion, four hundred eighty million, eight hundred sixty-eight thousand, five hundred seventy-nine".
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