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22884730729 = 72216112
BaseRepresentation
bin10101010100000010…
…010100011101101001
32012001212122202212121
4111110002110131221
5333331442340404
614302455111241
71440051000400
oct252402243551
965055582777
1022884730729
119783919a03
124528072521
1322092305b3
141171484637
158de140e54
hex554094769

22884730729 has 9 divisors (see below), whose sum is σ = 26622245181. Its totient is φ = 19614575820.

The previous prime is 22884730717. The next prime is 22884730777. The reversal of 22884730729 is 92703748822.

The square root of 22884730729 is 151277.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22884730729 - 213 = 22884722537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22884731729) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1048134 + ... + 1069744.

Almost surely, 222884730729 is an apocalyptic number.

22884730729 is the 151277-th square number.

22884730729 is the 75639-th centered octagonal number.

It is an amenable number.

22884730729 is a deficient number, since it is larger than the sum of its proper divisors (3737514452).

22884730729 is an frugal number, since it uses more digits than its factorization.

22884730729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43236 (or 21618 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 22884730729 in words is "twenty-two billion, eight hundred eighty-four million, seven hundred thirty thousand, seven hundred twenty-nine".

Divisors: 1 7 49 21611 151277 1058939 467035321 3269247247 22884730729