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23312110221200 = 2452677926214201
BaseRepresentation
bin1010100110011110001100…
…00011000111011110010000
310001112121122001011210021002
411103033012003013132100
511023421200204034300
6121325234030521132
74624146552260603
oct523170603073620
9101477561153232
1023312110221200
117478679524489
1227460626661a8
131001426888ca8
145a84527a633a
152a660502c5d5
hex1533c60c7790

23312110221200 has 240 divisors, whose sum is σ = 57598480008960. Its totient is φ = 9063774720000.

The previous prime is 23312110221193. The next prime is 23312110221263. The reversal of 23312110221200 is 212201121332.

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 47 ways as a sum of consecutive naturals, for example, 5549179100 + ... + 5549183300.

It is an arithmetic number, because the mean of its divisors is an integer number (239993666704).

Almost surely, 223312110221200 is an apocalyptic number.

23312110221200 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 23312110221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28799240004480).

23312110221200 is an abundant number, since it is smaller than the sum of its proper divisors (34286369787760).

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

23312110221200 is a wasteful number, since it uses less digits than its factorization.

23312110221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23312110221200 its reverse (212201121332), we get a palindrome (23524311342532).

The spelling of 23312110221200 in words is "twenty-three trillion, three hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred".