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210100100000 = 255571915797
BaseRepresentation
bin1100001110101011110…
…0010001101110100000
3202002022020101221000012
43003222330101232200
511420241111200000
6240304010144052
721115322245460
oct3035274215640
9662266357005
10210100100000
118111503588a
1234876122028
1316a739867cb
14a25165dba0
1556ea006735
hex30eaf11ba0

210100100000 has 288 divisors, whose sum is σ = 622006439040. Its totient is φ = 68238720000.

The previous prime is 210100099939. The next prime is 210100100017. The reversal of 210100100000 is 1001012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

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, 13292102 + ... + 13307898.

It is an arithmetic number, because the mean of its divisors is an integer number (2159744580).

Almost surely, 2210100100000 is an apocalyptic number.

210100100000 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 210100100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311003219520).

210100100000 is an abundant number, since it is smaller than the sum of its proper divisors (411906339040).

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

210100100000 is an equidigital number, since it uses as much as digits as its factorization.

210100100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858 (or 15830 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 210100100000 its reverse (1001012), we get a palindrome (210101101012).

The spelling of 210100100000 in words is "two hundred ten billion, one hundred million, one hundred thousand".