Base | Representation |
---|---|
bin | 11000011010000000… |
… | …10111100000111100 |
3 | 1020211011210112211112 |
4 | 30031000113200330 |
5 | 203313343231022 |
6 | 10004112541152 |
7 | 642464346410 |
oct | 141500274074 |
9 | 36734715745 |
10 | 13103102012 |
11 | 56143a5530 |
12 | 26582517b8 |
13 | 130a860400 |
14 | 8c4326d40 |
15 | 51a51a8e2 |
hex | 30d01783c |
13103102012 has 144 divisors (see below), whose sum is σ = 32588640000. Its totient is φ = 4464046080.
The previous prime is 13103102003. The next prime is 13103102057. The reversal of 13103102012 is 21020130131.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 982364 + ... + 995612.
It is an arithmetic number, because the mean of its divisors is an integer number (226310000).
Almost surely, 213103102012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13103102012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16294320000).
13103102012 is an abundant number, since it is smaller than the sum of its proper divisors (19485537988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13103102012 is a wasteful number, since it uses less digits than its factorization.
13103102012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13316 (or 13301 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13103102012 its reverse (21020130131), we get a palindrome (34123232143).
The spelling of 13103102012 in words is "thirteen billion, one hundred three million, one hundred two thousand, twelve".
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