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23320002112 = 261173345191
BaseRepresentation
bin10101101101111110…
…101111111001000000
32020012012200211221221
4111231332233321000
5340224410031422
614414004324424
71453614514231
oct255576577100
966165624857
1023320002112
119987595820
1246299a3714
132278471324
1411b31cb088
159174703c7
hex56dfafe40

23320002112 has 56 divisors (see below), whose sum is σ = 50552494272. Its totient is φ = 10585305600.

The previous prime is 23320002071. The next prime is 23320002113. The reversal of 23320002112 is 21120002332.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (23320002113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493437 + ... + 538627.

It is an arithmetic number, because the mean of its divisors is an integer number (902723112).

Almost surely, 223320002112 is an apocalyptic number.

23320002112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23320002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25276247136).

23320002112 is an abundant number, since it is smaller than the sum of its proper divisors (27232492160).

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

23320002112 is a wasteful number, since it uses less digits than its factorization.

23320002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45947 (or 45937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23320002112 its reverse (21120002332), we get a palindrome (44440004444).

The spelling of 23320002112 in words is "twenty-three billion, three hundred twenty million, two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 733 1466 2932 5864 8063 11728 16126 23456 32252 45191 46912 64504 90382 129008 180764 258016 361528 497101 516032 723056 994202 1446112 1988404 2892224 3976808 7953616 15907232 31814464 33125003 66250006 132500012 265000024 364375033 530000048 728750066 1060000096 1457500132 2120000192 2915000264 5830000528 11660001056 23320002112