Base | Representation |
---|---|
bin | 1001000110111110110110… |
… | …01101000011000100110111 |
3 | 2121220221210111122221212201 |
4 | 10203133123031003010313 |
5 | 10111142203143211043 |
6 | 110334055344125331 |
7 | 4135125403543144 |
oct | 443373315030467 |
9 | 77827714587781 |
10 | 20031110132023 |
11 | 6423167506751 |
12 | 22b61b6306847 |
13 | b23c05666493 |
14 | 4d3721cc13cb |
15 | 24b0c6197c4d |
hex | 1237db343137 |
20031110132023 has 32 divisors (see below), whose sum is σ = 21994568856000. Its totient is φ = 18169956080640.
The previous prime is 20031110131969. The next prime is 20031110132027. The reversal of 20031110132023 is 32023101113002.
It is a cyclic number.
It is not a de Polignac number, because 20031110132023 - 29 = 20031110131511 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20031110132027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43804603 + ... + 44259523.
It is an arithmetic number, because the mean of its divisors is an integer number (687330276750).
Almost surely, 220031110132023 is an apocalyptic number.
20031110132023 is a deficient number, since it is larger than the sum of its proper divisors (1963458723977).
20031110132023 is a wasteful number, since it uses less digits than its factorization.
20031110132023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 455635.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 20031110132023 its reverse (32023101113002), we get a palindrome (52054211245025).
The spelling of 20031110132023 in words is "twenty trillion, thirty-one billion, one hundred ten million, one hundred thirty-two thousand, twenty-three".
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