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23024220012 = 22322327807029
BaseRepresentation
bin10101011100010110…
…011011011101101100
32012102121010120012100
4111130112123131230
5334123200020022
614324400535100
71443363432603
oct253426333554
965377116170
1023024220012
119845632302
124566921490
13222c0bc331
141185bd4a3a
158eb4e61ac
hex55c59b76c

23024220012 has 36 divisors (see below), whose sum is σ = 60730553520. Its totient is φ = 7341055392.

The previous prime is 23024220001. The next prime is 23024220041. The reversal of 23024220012 is 21002242032.

23024220012 is a `hidden beast` number, since 230 + 2 + 422 + 0 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×230242200122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13902687 + ... + 13904342.

It is an arithmetic number, because the mean of its divisors is an integer number (1686959820).

Almost surely, 223024220012 is an apocalyptic number.

It is an amenable number.

23024220012 is an abundant number, since it is smaller than the sum of its proper divisors (37706333508).

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

23024220012 is a wasteful number, since it uses less digits than its factorization.

23024220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27807062 (or 27807057 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23024220012 its reverse (21002242032), we get a palindrome (44026462044).

The spelling of 23024220012 in words is "twenty-three billion, twenty-four million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 27807029 55614058 83421087 111228116 166842174 250263261 333684348 500526522 639561667 1001053044 1279123334 1918685001 2558246668 3837370002 5756055003 7674740004 11512110006 23024220012