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22431133434 = 2318120654819
BaseRepresentation
bin10100111000111111…
…111110111011111010
32010220021010122100210
4110320333332323322
5331414332232214
614145453011550
71422602326323
oct247077767372
963807118323
1022431133434
119570876606
124420183bb6
132166274428
14112b12b44a
158b43e1b59
hex538ffeefa

22431133434 has 16 divisors (see below), whose sum is σ = 45110126880. Its totient is φ = 7435734480.

The previous prime is 22431133381. The next prime is 22431133453. The reversal of 22431133434 is 43433113422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10326324 + ... + 10328495.

It is an arithmetic number, because the mean of its divisors is an integer number (2819382930).

Almost surely, 222431133434 is an apocalyptic number.

22431133434 is an abundant number, since it is smaller than the sum of its proper divisors (22678993446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431133434 is a wasteful number, since it uses less digits than its factorization.

22431133434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655005.

The product of its digits is 20736, while the sum is 30.

Adding to 22431133434 its reverse (43433113422), we get a palindrome (65864246856).

The spelling of 22431133434 in words is "twenty-two billion, four hundred thirty-one million, one hundred thirty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 181 362 543 1086 20654819 41309638 61964457 123928914 3738522239 7477044478 11215566717 22431133434