Base | Representation |
---|---|
bin | 11001001101000010… |
… | …01011000111111111 |
3 | 1021221000012202011102 |
4 | 30212201023013333 |
5 | 210202432214130 |
6 | 10114403043315 |
7 | 656212504433 |
oct | 144641130777 |
9 | 37830182142 |
10 | 13531132415 |
11 | 5813a76069 |
12 | 275767053b |
13 | 1378437338 |
14 | 9251069c3 |
15 | 542db9645 |
hex | 32684b1ff |
13531132415 has 32 divisors (see below), whose sum is σ = 17106840576. Its totient is φ = 10254816000.
The previous prime is 13531132411. The next prime is 13531132441. The reversal of 13531132415 is 51423113531.
It is not a de Polignac number, because 13531132415 - 22 = 13531132411 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531132411) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 6010040 + ... + 6012290.
It is an arithmetic number, because the mean of its divisors is an integer number (534588768).
Almost surely, 213531132415 is an apocalyptic number.
13531132415 is a deficient number, since it is larger than the sum of its proper divisors (3575708161).
13531132415 is a wasteful number, since it uses less digits than its factorization.
13531132415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2759.
The product of its digits is 5400, while the sum is 29.
Adding to 13531132415 its reverse (51423113531), we get a palindrome (64954245946).
The spelling of 13531132415 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-two thousand, four hundred fifteen".
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