Base | Representation |
---|---|
bin | 10100100101111111… |
… | …000101001111101111 |
3 | 2010002000212120221221 |
4 | 110211333011033233 |
5 | 330241201130111 |
6 | 14054055404211 |
7 | 1411650001255 |
oct | 244577051757 |
9 | 63060776857 |
10 | 22112130031 |
11 | 94177a2632 |
12 | 4351383667 |
13 | 2115151a14 |
14 | 10daa0c5d5 |
15 | 8963cc371 |
hex | 525fc53ef |
22112130031 has 2 divisors, whose sum is σ = 22112130032. Its totient is φ = 22112130030.
The previous prime is 22112130017. The next prime is 22112130037. The reversal of 22112130031 is 13003121122.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 22112130031 - 25 = 22112129999 is a prime.
It is a super-2 number, since 2×221121300312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22112129987 and 22112130014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22112130037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056065015 + 11056065016.
It is an arithmetic number, because the mean of its divisors is an integer number (11056065016).
Almost surely, 222112130031 is an apocalyptic number.
22112130031 is a deficient number, since it is larger than the sum of its proper divisors (1).
22112130031 is an equidigital number, since it uses as much as digits as its factorization.
22112130031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 22112130031 its reverse (13003121122), we get a palindrome (35115251153).
It can be divided in two parts, 221121 and 30031, that added together give a palindrome (251152).
The spelling of 22112130031 in words is "twenty-two billion, one hundred twelve million, one hundred thirty thousand, thirty-one".
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