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23822943380 = 225345132
BaseRepresentation
bin10110001011111101…
…010100010010010100
32021111021001220200022
4112023331110102110
5342242133142010
614535532204312
71502232451265
oct261375242224
967437056608
1023822943380
11a115480a65
12474a309698
132328716102
14121dd0a96c
159466b9d55
hex58bf54494

23822943380 has 18 divisors (see below), whose sum is σ = 50029630686. Its totient is φ = 9528901248.

The previous prime is 23822943283. The next prime is 23822943383. The reversal of 23822943380 is 8334922832.

It can be written as a sum of positive squares in 3 ways, for example, as 11328622096 + 12494321284 = 106436^2 + 111778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23822943383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673004 + ... + 707516.

It is an arithmetic number, because the mean of its divisors is an integer number (2779423927).

Almost surely, 223822943380 is an apocalyptic number.

23822943380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23822943380 is an abundant number, since it is smaller than the sum of its proper divisors (26206687306).

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

23822943380 is an frugal number, since it uses more digits than its factorization.

23822943380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69035 (or 34520 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 23822943380 in words is "twenty-three billion, eight hundred twenty-two million, nine hundred forty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 34513 69026 138052 172565 345130 690260 1191147169 2382294338 4764588676 5955735845 11911471690 23822943380