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2312543000000 = 2656127131139
BaseRepresentation
bin100001101001101110010…
…011011101010111000000
322012002002002122022000202
4201221232103131113000
5300342042002000000
64530211222104332
7326034654112502
oct41515623352700
98162062568022
102312543000000
11811820265692
12314229b7b0a8
1313a0c1b86a6c
147dcdb799d72
154024b91add5
hex21a6e4dd5c0

2312543000000 has 392 divisors, whose sum is σ = 5867324897280. Its totient is φ = 904176000000.

The previous prime is 2312542999997. The next prime is 2312543000039. The reversal of 2312543000000 is 3452132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16636999931 + ... + 16637000069.

Almost surely, 22312543000000 is an apocalyptic number.

2312543000000 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 2312543000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933662448640).

2312543000000 is an abundant number, since it is smaller than the sum of its proper divisors (3554781897280).

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

2312543000000 is an equidigital number, since it uses as much as digits as its factorization.

2312543000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 2312543000000 its reverse (3452132), we get a palindrome (2312546452132).

The spelling of 2312543000000 in words is "two trillion, three hundred twelve billion, five hundred forty-three million", and thus it is an aban number.