Base | Representation |
---|---|
bin | 11000011010000000… |
… | …11001111111000100 |
3 | 1020211011211001201100 |
4 | 30031000121333010 |
5 | 203313344042012 |
6 | 10004113100100 |
7 | 642464421045 |
oct | 141500317704 |
9 | 36734731640 |
10 | 13103112132 |
11 | 56144020a0 |
12 | 2658257630 |
13 | 130a864bb6 |
14 | 8c432a8cc |
15 | 51a51d8dc |
hex | 30d019fc4 |
13103112132 has 36 divisors (see below), whose sum is σ = 36132825456. Its totient is φ = 3970639920.
The previous prime is 13103112103. The next prime is 13103112193. The reversal of 13103112132 is 23121130131.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16543938 + ... + 16544729.
It is an arithmetic number, because the mean of its divisors is an integer number (1003689596).
Almost surely, 213103112132 is an apocalyptic number.
13103112132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13103112132 is an abundant number, since it is smaller than the sum of its proper divisors (23029713324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13103112132 is a wasteful number, since it uses less digits than its factorization.
13103112132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33088688 (or 33088683 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13103112132 its reverse (23121130131), we get a palindrome (36224242263).
The spelling of 13103112132 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, one hundred thirty-two".
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