Base | Representation |
---|---|
bin | 10100100000101100… |
… | …000000101010001111 |
3 | 2002211211121201211200 |
4 | 110200230000222033 |
5 | 330100422310211 |
6 | 14041202320543 |
7 | 1406520326466 |
oct | 244054005217 |
9 | 62754551750 |
10 | 22023244431 |
11 | 9381602561 |
12 | 4327659153 |
13 | 20cc9000a6 |
14 | 10cccb19dd |
15 | 88d6c0b56 |
hex | 520b00a8f |
22023244431 has 12 divisors (see below), whose sum is σ = 31815067752. Its totient is φ = 14680448496.
The previous prime is 22023244403. The next prime is 22023244457. The reversal of 22023244431 is 13444232022.
22023244431 is a `hidden beast` number, since 2 + 202 + 3 + 24 + 4 + 431 = 666.
It is not a de Polignac number, because 22023244431 - 213 = 22023236239 is a prime.
It is a super-2 number, since 2×220232444312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22023244395 and 22023244404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22023242431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58921 + ... + 217986.
It is an arithmetic number, because the mean of its divisors is an integer number (2651255646).
Almost surely, 222023244431 is an apocalyptic number.
22023244431 is a deficient number, since it is larger than the sum of its proper divisors (9791823321).
22023244431 is a wasteful number, since it uses less digits than its factorization.
22023244431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285750 (or 285747 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 22023244431 its reverse (13444232022), we get a palindrome (35467476453).
The spelling of 22023244431 in words is "twenty-two billion, twenty-three million, two hundred forty-four thousand, four hundred thirty-one".
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