Base | Representation |
---|---|
bin | 1001000110111110110110… |
… | …01101000011000100111111 |
3 | 2121220221210111122221220000 |
4 | 10203133123031003010333 |
5 | 10111142203143211111 |
6 | 110334055344125343 |
7 | 4135125403543155 |
oct | 443373315030477 |
9 | 77827714587800 |
10 | 20031110132031 |
11 | 6423167506759 |
12 | 22b61b6306853 |
13 | b23c0566649b |
14 | 4d3721cc13d5 |
15 | 24b0c6197c56 |
hex | 1237db34313f |
20031110132031 has 10 divisors (see below), whose sum is σ = 29923016370192. Its totient is φ = 13354073421300.
The previous prime is 20031110132027. The next prime is 20031110132057. The reversal of 20031110132031 is 13023101113002.
20031110132031 is a `hidden beast` number, since 2 + 0 + 0 + 311 + 1 + 0 + 1 + 320 + 31 = 666.
It is not a de Polignac number, because 20031110132031 - 22 = 20031110132027 is a prime.
It is a super-2 number, since 2×200311101320312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20031110131995 and 20031110132013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20031110332031) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123648827895 + ... + 123648828056.
Almost surely, 220031110132031 is an apocalyptic number.
20031110132031 is a deficient number, since it is larger than the sum of its proper divisors (9891906238161).
20031110132031 is an equidigital number, since it uses as much as digits as its factorization.
20031110132031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247297655963 (or 247297655954 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 20031110132031 its reverse (13023101113002), we get a palindrome (33054211245033).
The spelling of 20031110132031 in words is "twenty trillion, thirty-one billion, one hundred ten million, one hundred thirty-two thousand, thirty-one".
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