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12763449427 = 839100915077
BaseRepresentation
bin10111110001100001…
…01100100001010011
31012221111200102002011
423320300230201103
5202114420340202
65510301003351
7631201346551
oct137060544123
935844612064
1012763449427
11545a6a8513
122582553557
13128538ac51
14891190bd1
154ea7c7bd7
hex2f8c2c853

12763449427 has 8 divisors (see below), whose sum is σ = 12792175200. Its totient is φ = 12734757504.

The previous prime is 12763449421. The next prime is 12763449437. The reversal of 12763449427 is 72494436721.

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

It is a cyclic number.

It is not a de Polignac number, because 12763449427 - 223 = 12755060819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12763449421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839013 + ... + 854089.

It is an arithmetic number, because the mean of its divisors is an integer number (1599021900).

Almost surely, 212763449427 is an apocalyptic number.

12763449427 is a deficient number, since it is larger than the sum of its proper divisors (28725773).

12763449427 is a wasteful number, since it uses less digits than its factorization.

12763449427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16925.

The product of its digits is 2032128, while the sum is 49.

The spelling of 12763449427 in words is "twelve billion, seven hundred sixty-three million, four hundred forty-nine thousand, four hundred twenty-seven".

Divisors: 1 839 1009 15077 846551 12649603 15212693 12763449427