Base | Representation |
---|---|
bin | 11000011011011110… |
… | …00011101011010101 |
3 | 1020212000211101021211 |
4 | 30031233003223111 |
5 | 203330011412100 |
6 | 10005231141421 |
7 | 643003364206 |
oct | 141557035325 |
9 | 36760741254 |
10 | 13115341525 |
11 | 56202a5230 |
12 | 2660374871 |
13 | 1310257420 |
14 | 8c5bd15ad |
15 | 51b6371ba |
hex | 30dbc3ad5 |
13115341525 has 48 divisors (see below), whose sum is σ = 19244393280. Its totient is φ = 8741030400.
The previous prime is 13115341517. The next prime is 13115341531. The reversal of 13115341525 is 52514351131.
It is not a de Polignac number, because 13115341525 - 23 = 13115341517 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483729 + ... + 510121.
It is an arithmetic number, because the mean of its divisors is an integer number (400924860).
Almost surely, 213115341525 is an apocalyptic number.
It is an amenable number.
13115341525 is a deficient number, since it is larger than the sum of its proper divisors (6129051755).
13115341525 is a wasteful number, since it uses less digits than its factorization.
13115341525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26566 (or 26561 counting only the distinct ones).
The product of its digits is 9000, while the sum is 31.
Adding to 13115341525 its reverse (52514351131), we get a palindrome (65629692656).
The spelling of 13115341525 in words is "thirteen billion, one hundred fifteen million, three hundred forty-one thousand, five hundred twenty-five".
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