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23044221200 = 24527111367859
BaseRepresentation
bin10101011101100010…
…101110100100010000
32012110222202201200002
4111131202232210100
5334143310034300
614330353345132
71444025435240
oct253542564420
965428681602
1023044221200
119855953510
1245715681a8
1322332a3160
14118871db20
158ed1475d5
hex55d8ae910

23044221200 has 480 divisors, whose sum is σ = 75531832320. Its totient is φ = 6523545600.

The previous prime is 23044221197. The next prime is 23044221229. The reversal of 23044221200 is 212244032.

It is a super-2 number, since 2×230442212002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26826371 + ... + 26827229.

It is an arithmetic number, because the mean of its divisors is an integer number (157357984).

Almost surely, 223044221200 is an apocalyptic number.

23044221200 is a gapful number since it is divisible by the number (20) 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 23044221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37765916160).

23044221200 is an abundant number, since it is smaller than the sum of its proper divisors (52487611120).

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

23044221200 is a wasteful number, since it uses less digits than its factorization.

23044221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23044221200 its reverse (212244032), we get a palindrome (23256465232).

The spelling of 23044221200 in words is "twenty-three billion, forty-four million, two hundred twenty-one thousand, two hundred".