Search a number
-
+
12874951433 = 13679418399
BaseRepresentation
bin10111111110110100…
…00010101100001001
31020020021111022002002
423333122002230021
5202331441421213
65525322520345
7634024165361
oct137732025411
936207438062
1012874951433
115507635633
1225b39660b5
1312a24cab76
148a1cd79a1
155054a0658
hex2ff682b09

12874951433 has 4 divisors (see below), whose sum is σ = 12884371200. Its totient is φ = 12865531668.

The previous prime is 12874951421. The next prime is 12874951501. The reversal of 12874951433 is 33415947821.

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 12874951433 - 216 = 12874885897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12874951933) 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, 4707833 + ... + 4710566.

It is an arithmetic number, because the mean of its divisors is an integer number (3221092800).

Almost surely, 212874951433 is an apocalyptic number.

It is an amenable number.

12874951433 is a deficient number, since it is larger than the sum of its proper divisors (9419767).

12874951433 is an equidigital number, since it uses as much as digits as its factorization.

12874951433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419766.

The product of its digits is 725760, while the sum is 47.

The spelling of 12874951433 in words is "twelve billion, eight hundred seventy-four million, nine hundred fifty-one thousand, four hundred thirty-three".

Divisors: 1 1367 9418399 12874951433