Base | Representation |
---|---|
bin | 11000011100000100… |
… | …00011101001000000 |
3 | 1020212101012102101000 |
4 | 30032002003221000 |
5 | 203332300301422 |
6 | 10005530012000 |
7 | 643063616652 |
oct | 141602035100 |
9 | 36771172330 |
10 | 13120322112 |
11 | 5623097217 |
12 | 2661b77000 |
13 | 13112ac411 |
14 | 8c672a6d2 |
15 | 51bcbccac |
hex | 30e083a40 |
13120322112 has 56 divisors (see below), whose sum is σ = 38571322400. Its totient is φ = 4373440128.
The previous prime is 13120322093. The next prime is 13120322113. The reversal of 13120322112 is 21122302131.
It is a super-2 number, since 2×131203221122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13120322113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794662 + ... + 3798117.
Almost surely, 213120322112 is an apocalyptic number.
13120322112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13120322112 is an abundant number, since it is smaller than the sum of its proper divisors (25451000288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120322112 is an equidigital number, since it uses as much as digits as its factorization.
13120322112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7592800 (or 7592784 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13120322112 its reverse (21122302131), we get a palindrome (34242624243).
The spelling of 13120322112 in words is "thirteen billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twelve".
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