Base | Representation |
---|---|
bin | 11001001101000010… |
… | …01011100011000000 |
3 | 1021221000012211112110 |
4 | 30212201023203000 |
5 | 210202432243034 |
6 | 10114403055320 |
7 | 656212512453 |
oct | 144641134300 |
9 | 37830184473 |
10 | 13531134144 |
11 | 5813a773a0 |
12 | 2757671540 |
13 | 1378438068 |
14 | 92510749a |
15 | 542db9de9 |
hex | 32684b8c0 |
13531134144 has 56 divisors (see below), whose sum is σ = 39055779648. Its totient is φ = 4100343040.
The previous prime is 13531134119. The next prime is 13531134167. The reversal of 13531134144 is 44143113531.
It is a super-2 number, since 2×135311341442 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3201282 + ... + 3205505.
Almost surely, 213531134144 is an apocalyptic number.
It is an amenable number.
13531134144 is an abundant number, since it is smaller than the sum of its proper divisors (25524645504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13531134144 is a wasteful number, since it uses less digits than its factorization.
13531134144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6406813 (or 6406803 counting only the distinct ones).
The product of its digits is 8640, while the sum is 30.
Adding to 13531134144 its reverse (44143113531), we get a palindrome (57674247675).
The spelling of 13531134144 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-four thousand, one hundred forty-four".
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