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23110200000 = 26325537347
BaseRepresentation
bin10101100001011110…
…011010101011000000
32012122120220210120100
4111201132122223000
5334312202400000
614341111442400
71445456313246
oct254136325300
965576823510
1023110200000
11988a118348
12458b686400
132243b64574
1411933b6796
15903d2ba00
hex56179aac0

23110200000 has 504 divisors, whose sum is σ = 85279010544. Its totient is φ = 5978880000.

The previous prime is 23110199989. The next prime is 23110200007. The reversal of 23110200000 is 201132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (23110200007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66599827 + ... + 66600173.

It is an arithmetic number, because the mean of its divisors is an integer number (169204386).

Almost surely, 223110200000 is an apocalyptic number.

23110200000 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 23110200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42639505272).

23110200000 is an abundant number, since it is smaller than the sum of its proper divisors (62168810544).

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

23110200000 is an equidigital number, since it uses as much as digits as its factorization.

23110200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 23110200000 its reverse (201132), we get a palindrome (23110401132).

The spelling of 23110200000 in words is "twenty-three billion, one hundred ten million, two hundred thousand".