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2312140525240 = 2357137325134667
BaseRepresentation
bin100001101001010110010…
…100001000111010111000
322012001001001022110110011
4201221112110020322320
5300340230433301430
64530103243431304
7326021666122630
oct41512624107270
98161031273404
102312140525240
1181163405a417
12314137225534
1313a059689c10
147dca014d6c0
154022641922a
hex21a56508eb8

2312140525240 has 256 divisors, whose sum is σ = 6516607749120. Its totient is φ = 718834176000.

The previous prime is 2312140525217. The next prime is 2312140525271. The reversal of 2312140525240 is 425250412132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66678387 + ... + 66713053.

It is an arithmetic number, because the mean of its divisors is an integer number (25455499020).

Almost surely, 22312140525240 is an apocalyptic number.

2312140525240 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 2312140525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258303874560).

2312140525240 is an abundant number, since it is smaller than the sum of its proper divisors (4204467223880).

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

2312140525240 is a wasteful number, since it uses less digits than its factorization.

2312140525240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35022 (or 35018 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2312140525240 its reverse (425250412132), we get a palindrome (2737390937372).

The spelling of 2312140525240 in words is "two trillion, three hundred twelve billion, one hundred forty million, five hundred twenty-five thousand, two hundred forty".