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2100230132400 = 243352254376471
BaseRepresentation
bin11110100011111111011…
…110001001001010110000
321102210001122112010112000
4132203333132021022300
5233402232403214100
64244455444334000
7304510442400351
oct36437736111260
97383048463460
102100230132400
1173a78017a854
1229b0569a4300
1312308794b41a
147391a2d7d28
1539972524900
hex1e8ff7892b0

2100230132400 has 240 divisors, whose sum is σ = 7478300881920. Its totient is φ = 559833811200.

The previous prime is 2100230132381. The next prime is 2100230132527. The reversal of 2100230132400 is 42310320012.

2100230132400 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 230 + 1 + 32 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27426165 + ... + 27502635.

It is an arithmetic number, because the mean of its divisors is an integer number (31159587008).

Almost surely, 22100230132400 is an apocalyptic number.

2100230132400 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 2100230132400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739150440960).

2100230132400 is an abundant number, since it is smaller than the sum of its proper divisors (5378070749520).

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

2100230132400 is a wasteful number, since it uses less digits than its factorization.

2100230132400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79041 (or 79024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2100230132400 its reverse (42310320012), we get a palindrome (2142540452412).

The spelling of 2100230132400 in words is "two trillion, one hundred billion, two hundred thirty million, one hundred thirty-two thousand, four hundred".