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22427416189 = 28179812869
BaseRepresentation
bin10100111000110001…
…110011011001111101
32010220000010210021001
4110320301303121331
5331412404304224
614145241210301
71422525615013
oct247061633175
963800123231
1022427416189
119569767802
12441aa90991
132165572489
14112a8408b3
158b3e0a544
hex538c7367d

22427416189 has 4 divisors (see below), whose sum is σ = 22507229340. Its totient is φ = 22347603040.

The previous prime is 22427416169. The next prime is 22427416223. The reversal of 22427416189 is 98161472422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10298799289 + 12128616900 = 101483^2 + 110130^2 .

It is a cyclic number.

It is not a de Polignac number, because 22427416189 - 219 = 22426891901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22427416129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39906154 + ... + 39906715.

It is an arithmetic number, because the mean of its divisors is an integer number (5626807335).

Almost surely, 222427416189 is an apocalyptic number.

It is an amenable number.

22427416189 is a deficient number, since it is larger than the sum of its proper divisors (79813151).

22427416189 is an equidigital number, since it uses as much as digits as its factorization.

22427416189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79813150.

The product of its digits is 387072, while the sum is 46.

The spelling of 22427416189 in words is "twenty-two billion, four hundred twenty-seven million, four hundred sixteen thousand, one hundred eighty-nine".

Divisors: 1 281 79812869 22427416189