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1313440242654 = 23218906707109
BaseRepresentation
bin10011000111001111001…
…000111001101111011110
311122120012220112112002010
4103013033020321233132
5133004411200231104
62443215222412050
7163615162566321
oct23071710715736
94576186475063
101313440242654
11467032859451
12192678591026
1396b1a75a847
14477dc5927b8
1524273d39489
hex131cf239bde

1313440242654 has 8 divisors (see below), whose sum is σ = 2626880485320. Its totient is φ = 437813414216.

The previous prime is 1313440242613. The next prime is 1313440242659. The reversal of 1313440242654 is 4562420443131.

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

1313440242654 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313440242659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109453353549 + ... + 109453353560.

It is an arithmetic number, because the mean of its divisors is an integer number (328360060665).

Almost surely, 21313440242654 is an apocalyptic number.

1313440242654 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.

1313440242654 is a wasteful number, since it uses less digits than its factorization.

1313440242654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218906707114.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 1313440242654 its reverse (4562420443131), we get a palindrome (5875860685785).

The spelling of 1313440242654 in words is "one trillion, three hundred thirteen billion, four hundred forty million, two hundred forty-two thousand, six hundred fifty-four".

Divisors: 1 2 3 6 218906707109 437813414218 656720121327 1313440242654