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22530200031 = 33712165533
BaseRepresentation
bin10100111110111001…
…111001000111011111
32011011011112202012000
4110332321321013133
5332120212400111
614203352213343
71425214353243
oct247671710737
964134482160
1022530200031
11961178a829
12444939a253
13218094c111
14113a358423
158bce5ec56
hex53ee791df

22530200031 has 24 divisors (see below), whose sum is σ = 33855013680. Its totient is φ = 14808492720.

The previous prime is 22530200027. The next prime is 22530200039. The reversal of 22530200031 is 13000203522.

It is not a de Polignac number, because 22530200031 - 22 = 22530200027 is a prime.

It is a super-2 number, since 2×225302000312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22530199977 and 22530200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530200039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53341 + ... + 218873.

It is an arithmetic number, because the mean of its divisors is an integer number (1410625570).

Almost surely, 222530200031 is an apocalyptic number.

22530200031 is a deficient number, since it is larger than the sum of its proper divisors (11324813649).

22530200031 is an equidigital number, since it uses as much as digits as its factorization.

22530200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165684 (or 165607 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 22530200031 its reverse (13000203522), we get a palindrome (35530403553).

The spelling of 22530200031 in words is "twenty-two billion, five hundred thirty million, two hundred thousand, thirty-one".

Divisors: 1 3 9 27 71 213 639 1917 5041 15123 45369 136107 165533 496599 1489797 4469391 11752843 35258529 105775587 317326761 834451853 2503355559 7510066677 22530200031