Base | Representation |
---|---|
bin | 1011000000011000100110… |
… | …1001011101011101101101 |
3 | 1120211212101200100201010102 |
4 | 2300012021221131131231 |
5 | 3041231310422020023 |
6 | 41423121311520445 |
7 | 2356166546462126 |
oct | 260061151353555 |
9 | 46755350321112 |
10 | 12101232220013 |
11 | 3946116123052 |
12 | 1435372229125 |
13 | 69a1ab5950a1 |
14 | 2db9ba55904d |
15 | 15ebaa40c628 |
hex | b0189a5d76d |
12101232220013 has 4 divisors (see below), whose sum is σ = 12105053262720. Its totient is φ = 12097411177308.
The previous prime is 12101232220001. The next prime is 12101232220019. The reversal of 12101232220013 is 31002223210121.
12101232220013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12101232220013 - 228 = 12100963784557 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12101232220019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910516603 + ... + 1910522936.
It is an arithmetic number, because the mean of its divisors is an integer number (3026263315680).
Almost surely, 212101232220013 is an apocalyptic number.
It is an amenable number.
12101232220013 is a deficient number, since it is larger than the sum of its proper divisors (3821042707).
12101232220013 is an equidigital number, since it uses as much as digits as its factorization.
12101232220013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3821042706.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12101232220013 its reverse (31002223210121), we get a palindrome (43103455430134).
The spelling of 12101232220013 in words is "twelve trillion, one hundred one billion, two hundred thirty-two million, two hundred twenty thousand, thirteen".
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