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23020111200000 = 28355192347467
BaseRepresentation
bin1010011101111110010011…
…00011001111111100000000
310000111200221010111121002010
411032333021203033330000
511004130141431400000
6120543143150252520
74564101546453105
oct516771143177400
9100450833447063
1023020111200000
117375857703a62
1226b95507b7140
13caca30553b85
14598272104aac
1529dc14eadd50
hex14efc98cff00

23020111200000 has 1728 divisors, whose sum is σ = 86087770030080. Its totient is φ = 5432739840000.

The previous prime is 23020111199947. The next prime is 23020111200007. The reversal of 23020111200000 is 211102032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020111200007) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 49293599767 + ... + 49293600233.

It is an arithmetic number, because the mean of its divisors is an integer number (49819311360).

Almost surely, 223020111200000 is an apocalyptic number.

23020111200000 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 23020111200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43043885015040).

23020111200000 is an abundant number, since it is smaller than the sum of its proper divisors (63067658830080).

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

23020111200000 is an equidigital number, since it uses as much as digits as its factorization.

23020111200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23020111200000 its reverse (211102032), we get a palindrome (23020322302032).

The spelling of 23020111200000 in words is "twenty-three trillion, twenty billion, one hundred eleven million, two hundred thousand".