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2312310402402 = 237111331193229281
BaseRepresentation
bin100001101001100000011…
…100001010110101100010
322012001110212222010002220
4201221200130022311202
5300341102430334102
64530132152451510
7326026131060420
oct41514034126542
98161425863086
102312310402402
11811710a38670
123141840a9b96
1313a085928350
147dcb8930110
15402362c31bc
hex21a6070ad62

2312310402402 has 512 divisors, whose sum is σ = 6493953392640. Its totient is φ = 529514496000.

The previous prime is 2312310402323. The next prime is 2312310402431. The reversal of 2312310402402 is 2042040132132.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8228862502 + ... + 8228862782.

It is an arithmetic number, because the mean of its divisors is an integer number (12683502720).

Almost surely, 22312310402402 is an apocalyptic number.

2312310402402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312310402402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3246976696320).

2312310402402 is an abundant number, since it is smaller than the sum of its proper divisors (4181642990238).

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

2312310402402 is a wasteful number, since it uses less digits than its factorization.

2312310402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2312310402402 its reverse (2042040132132), we get a palindrome (4354350534534).

The spelling of 2312310402402 in words is "two trillion, three hundred twelve billion, three hundred ten million, four hundred two thousand, four hundred two".