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2100110100000 = 25355111275011
BaseRepresentation
bin11110100011111000010…
…100010000011000100000
321102202202021122212000120
4132203320110100120200
5233402011141200000
64244435515520240
7304504454212563
oct36437024203040
97382667585016
102100110100000
1173a719446720
1229b022759080
13123068b12833
14739083b04da
1539966c146a0
hex1e8f8510620

2100110100000 has 576 divisors, whose sum is σ = 7577658998784. Its totient is φ = 505008000000.

The previous prime is 2100110099959. The next prime is 2100110100017. The reversal of 2100110100000 is 10110012.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 419097495 + ... + 419102505.

It is an arithmetic number, because the mean of its divisors is an integer number (13155657984).

Almost surely, 22100110100000 is an apocalyptic number.

2100110100000 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 2100110100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3788829499392).

2100110100000 is an abundant number, since it is smaller than the sum of its proper divisors (5477548898784).

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

2100110100000 is a wasteful number, since it uses less digits than its factorization.

2100110100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 2100110100000 its reverse (10110012), we get a palindrome (2100120210012).

The spelling of 2100110100000 in words is "two trillion, one hundred billion, one hundred ten million, one hundred thousand".