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2531312634 = 23421885439
BaseRepresentation
bin1001011011100000…
…1100001111111010
320112102010000010210
42112320030033322
520141004001014
61055102451550
7116504542134
oct22670141772
96472100123
102531312634
111089950714
125a7893bb6
13314573a36
141a0282054
15ec363859
hex96e0c3fa

2531312634 has 8 divisors (see below), whose sum is σ = 5062625280. Its totient is φ = 843770876.

The previous prime is 2531312621. The next prime is 2531312681. The reversal of 2531312634 is 4362131352.

It is a sphenic number, since it is the product of 3 distinct primes.

2531312634 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 210942714 + ... + 210942725.

It is an arithmetic number, because the mean of its divisors is an integer number (632828160).

Almost surely, 22531312634 is an apocalyptic number.

2531312634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2531312634 is a wasteful number, since it uses less digits than its factorization.

2531312634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421885444.

The product of its digits is 12960, while the sum is 30.

The square root of 2531312634 is about 50312.1519515912. The cubic root of 2531312634 is about 1362.8516853740.

Adding to 2531312634 its reverse (4362131352), we get a palindrome (6893443986).

The spelling of 2531312634 in words is "two billion, five hundred thirty-one million, three hundred twelve thousand, six hundred thirty-four".

Divisors: 1 2 3 6 421885439 843770878 1265656317 2531312634