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22454053361 = 199112834439
BaseRepresentation
bin10100111010010111…
…011010100111110001
32010221212021002120222
4110322113122213301
5331441214201421
614152032142425
71423301206265
oct247227324761
963855232528
1022454053361
1195828006a3
124427997a15
13216ac3a90c
1411301b60a5
158b641ccab
hex53a5da9f1

22454053361 has 4 divisors (see below), whose sum is σ = 22566888000. Its totient is φ = 22341218724.

The previous prime is 22454053351. The next prime is 22454053367. The reversal of 22454053361 is 16335045422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22454053361 - 222 = 22449859057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22454053367) 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, 56417021 + ... + 56417418.

It is an arithmetic number, because the mean of its divisors is an integer number (5641722000).

Almost surely, 222454053361 is an apocalyptic number.

It is an amenable number.

22454053361 is a deficient number, since it is larger than the sum of its proper divisors (112834639).

22454053361 is a wasteful number, since it uses less digits than its factorization.

22454053361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112834638.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 22454053361 its reverse (16335045422), we get a palindrome (38789098783).

The spelling of 22454053361 in words is "twenty-two billion, four hundred fifty-four million, fifty-three thousand, three hundred sixty-one".

Divisors: 1 199 112834439 22454053361