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2131543204000 = 25537251303293
BaseRepresentation
bin11111000001001001111…
…000000010000010100000
321112202212220120222111121
4133001021320002002200
5234410400030012000
64311114544222024
7306666425201320
oct37011170020240
97482786528447
102131543204000
11751a89629a21
122a513560a914
13126008077162
147524aca7280
153a6a6571b1a
hex1f049e020a0

2131543204000 has 192 divisors, whose sum is σ = 6009239238912. Its totient is φ = 727900800000.

The previous prime is 2131543203989. The next prime is 2131543204003. The reversal of 2131543204000 is 4023451312.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2131543204003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6876354 + ... + 7179646.

It is an arithmetic number, because the mean of its divisors is an integer number (31298121036).

Almost surely, 22131543204000 is an apocalyptic number.

2131543204000 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 2131543204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3004619619456).

2131543204000 is an abundant number, since it is smaller than the sum of its proper divisors (3877696034912).

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

2131543204000 is a wasteful number, since it uses less digits than its factorization.

2131543204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303576 (or 303558 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 2131543204000 its reverse (4023451312), we get a palindrome (2135566655312).

The spelling of 2131543204000 in words is "two trillion, one hundred thirty-one billion, five hundred forty-three million, two hundred four thousand".