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310230142040 = 235713476172939
BaseRepresentation
bin1001000001110110010…
…10000100110001011000
31002122202110202002101202
410200323022010301120
520040322404021130
6354303500333332
731261535461340
oct4407312046130
91078673662352
10310230142040
1110a627911445
125015b544248
13233403c7bb0
141102da91d20
15810a87c145
hex483b284c58

310230142040 has 256 divisors, whose sum is σ = 879098572800. Its totient is φ = 95905345536.

The previous prime is 310230141997. The next prime is 310230142049. The reversal of 310230142040 is 40241032013.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310230142049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105554891 + ... + 105557829.

It is an arithmetic number, because the mean of its divisors is an integer number (3433978800).

Almost surely, 2310230142040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310230142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439549286400).

310230142040 is an abundant number, since it is smaller than the sum of its proper divisors (568868430760).

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

310230142040 is a wasteful number, since it uses less digits than its factorization.

310230142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 310230142040 its reverse (40241032013), we get a palindrome (350471174053).

The spelling of 310230142040 in words is "three hundred ten billion, two hundred thirty million, one hundred forty-two thousand, forty".