Base | Representation |
---|---|
bin | 1001001011111101001111… |
… | …01010111000110101110111 |
3 | 2122112022000012022212221120 |
4 | 10211332213222320311313 |
5 | 10121442241310343111 |
6 | 110544405131115023 |
7 | 4153356326450055 |
oct | 445764752706567 |
9 | 78468005285846 |
10 | 20202044231031 |
11 | 6489703336273 |
12 | 232335b8a2a73 |
13 | b37076c95870 |
14 | 4dbad9a2d1d5 |
15 | 25077ca08406 |
hex | 125fa7ab8d77 |
20202044231031 has 32 divisors (see below), whose sum is σ = 29945348412672. Its totient is φ = 12035450810880.
The previous prime is 20202044231023. The next prime is 20202044231183. The reversal of 20202044231031 is 13013244020202.
It is a happy number.
It is not a de Polignac number, because 20202044231031 - 23 = 20202044231023 is a prime.
It is a super-2 number, since 2×202020442310312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20202044230992 and 20202044231010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202044238031) 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, 53113765 + ... + 53492766.
It is an arithmetic number, because the mean of its divisors is an integer number (935792137896).
Almost surely, 220202044231031 is an apocalyptic number.
20202044231031 is a deficient number, since it is larger than the sum of its proper divisors (9743304181641).
20202044231031 is a wasteful number, since it uses less digits than its factorization.
20202044231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106606703.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 20202044231031 its reverse (13013244020202), we get a palindrome (33215288251233).
The spelling of 20202044231031 in words is "twenty trillion, two hundred two billion, forty-four million, two hundred thirty-one thousand, thirty-one".
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