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12542744414 = 248712877561
BaseRepresentation
bin10111010111001101…
…10001011101011110
31012101010101102201102
423223212301131132
5201141420310124
65432334313102
7622551365654
oct135346613536
935333342642
1012542744414
115357063582
122520658792
13124b734675
1486db3cdd4
154d622daae
hex2eb9b175e

12542744414 has 8 divisors (see below), whose sum is σ = 18852750768. Its totient is φ = 6258494160.

The previous prime is 12542744413. The next prime is 12542744419. The reversal of 12542744414 is 41444724521.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542744413) 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, 6437807 + ... + 6439754.

It is an arithmetic number, because the mean of its divisors is an integer number (2356593846).

Almost surely, 212542744414 is an apocalyptic number.

12542744414 is a deficient number, since it is larger than the sum of its proper divisors (6310006354).

12542744414 is a wasteful number, since it uses less digits than its factorization.

12542744414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878050.

The product of its digits is 143360, while the sum is 38.

The spelling of 12542744414 in words is "twelve billion, five hundred forty-two million, seven hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 487 974 12877561 25755122 6271372207 12542744414