Base | Representation |
---|---|
bin | 11000011010111101… |
… | …00000001110011100 |
3 | 1020211201122220121010 |
4 | 30031132200032130 |
5 | 203322404031022 |
6 | 10004554135220 |
7 | 642621451443 |
oct | 141536401634 |
9 | 36751586533 |
10 | 13111002012 |
11 | 5618900959 |
12 | 265aa21510 |
13 | 130c398174 |
14 | 8c53c1d5a |
15 | 51b07b50c |
hex | 30d7a039c |
13111002012 has 24 divisors (see below), whose sum is σ = 30609779200. Its totient is φ = 4367842416.
The previous prime is 13111001963. The next prime is 13111002049. The reversal of 13111002012 is 21020011131.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289462 + ... + 331677.
Almost surely, 213111002012 is an apocalyptic number.
13111002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13111002012 is an abundant number, since it is smaller than the sum of its proper divisors (17498777188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13111002012 is a wasteful number, since it uses less digits than its factorization.
13111002012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 622905 (or 622903 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 13111002012 its reverse (21020011131), we get a palindrome (34131013143).
The spelling of 13111002012 in words is "thirteen billion, one hundred eleven million, two thousand, twelve".
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