Search a number
-
+
12745392451 = 111960982739
BaseRepresentation
bin10111101111010111…
…10100000101000011
31012220020201000120021
423313223310011003
5202100310024301
65504413554311
7630562022401
oct136753640503
935806630507
1012745392451
115450494aa0
1225784a5997
13128170804c
1488ca10471
154e8e0c8a1
hex2f7af4143

12745392451 has 8 divisors (see below), whose sum is σ = 14635857600. Its totient is φ = 10976892840.

The previous prime is 12745392449. The next prime is 12745392481. The reversal of 12745392451 is 15429354721.

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 12745392451 - 21 = 12745392449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12745392398 and 12745392407.

It is not an unprimeable number, because it can be changed into a prime (12745392481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30491161 + ... + 30491578.

It is an arithmetic number, because the mean of its divisors is an integer number (1829482200).

Almost surely, 212745392451 is an apocalyptic number.

12745392451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12745392451 is a deficient number, since it is larger than the sum of its proper divisors (1890465149).

12745392451 is a wasteful number, since it uses less digits than its factorization.

12745392451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60982769.

The product of its digits is 302400, while the sum is 43.

The spelling of 12745392451 in words is "twelve billion, seven hundred forty-five million, three hundred ninety-two thousand, four hundred fifty-one".

Divisors: 1 11 19 209 60982739 670810129 1158672041 12745392451