Search a number
-
+
13756794457 = 71965256351
BaseRepresentation
bin11001100111111100…
…00000011001011001
31022111201211120021211
430303332000121121
5211133214410312
610153023503121
7664622552320
oct146376003131
938451746254
1013756794457
11591a39631a
1227bb157aa1
1313b3107c83
149470890b7
15557ae23a7
hex333f80659

13756794457 has 4 divisors (see below), whose sum is σ = 15722050816. Its totient is φ = 11791538100.

The previous prime is 13756794421. The next prime is 13756794461. The reversal of 13756794457 is 75449765731.

It is a happy number.

13756794457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13756794457 - 211 = 13756792409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13756798457) by changing a digit.

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, 982628169 + ... + 982628182.

It is an arithmetic number, because the mean of its divisors is an integer number (3930512704).

Almost surely, 213756794457 is an apocalyptic number.

It is an amenable number.

13756794457 is a deficient number, since it is larger than the sum of its proper divisors (1965256359).

13756794457 is an equidigital number, since it uses as much as digits as its factorization.

13756794457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965256358.

The product of its digits is 22226400, while the sum is 58.

The spelling of 13756794457 in words is "thirteen billion, seven hundred fifty-six million, seven hundred ninety-four thousand, four hundred fifty-seven".

Divisors: 1 7 1965256351 13756794457