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210220512000000 = 2113562189797
BaseRepresentation
bin101111110011000111000110…
…111100010011100000000000
31000120022212212221002120002220
4233303013012330103200000
5210023223102033000000
62023033545304011040
762164634155026315
oct5763070674234000
91016285787076086
10210220512000000
1160a8a02264a787
121b6b2188160a80
13903b92b208278
1439caa27116d0c
1519484b810b1a0
hexbf31c6f13800

210220512000000 has 336 divisors, whose sum is σ = 700555314808440. Its totient is φ = 56058777600000.

The previous prime is 210220511999989. The next prime is 210220512000007. The reversal of 210220512000000 is 215022012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220512000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 94905102 + ... + 97094898.

Almost surely, 2210220512000000 is an apocalyptic number.

210220512000000 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 210220512000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350277657404220).

210220512000000 is an abundant number, since it is smaller than the sum of its proper divisors (490334802808440).

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

210220512000000 is an frugal number, since it uses more digits than its factorization.

210220512000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189852 (or 2189807 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 210220512000000 its reverse (215022012), we get a palindrome (210220727022012).

The spelling of 210220512000000 in words is "two hundred ten trillion, two hundred twenty billion, five hundred twelve million", and thus it is an aban number.