Search a number
-
+
51418764023233 = 239321487155881
BaseRepresentation
bin10111011000011110111010…
…01010100001010111000001
320202001120211001222012111011
423230033131022201113001
523214421112042220413
6301205242030120521
713554611622556225
oct1354173512412701
9222046731865434
1051418764023233
11154246368967a2
125925374050141
13228c9cb924a79
14c9a977cc2785
155e27c029533d
hex2ec3dd2a15c1

51418764023233 has 4 divisors (see below), whose sum is σ = 51440251181508. Its totient is φ = 51397276864960.

The previous prime is 51418764023227. The next prime is 51418764023243. The reversal of 51418764023233 is 33232046781415.

51418764023233 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.

It can be written as a sum of positive squares in 2 ways, for example, as 24160685283904 + 27258078739329 = 4915352^2 + 5220927^2 .

It is a cyclic number.

It is not a de Polignac number, because 51418764023233 - 213 = 51418764015041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51418764023203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10743575548 + ... + 10743580333.

It is an arithmetic number, because the mean of its divisors is an integer number (12860062795377).

Almost surely, 251418764023233 is an apocalyptic number.

It is an amenable number.

51418764023233 is a deficient number, since it is larger than the sum of its proper divisors (21487158275).

51418764023233 is a wasteful number, since it uses less digits than its factorization.

51418764023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21487158274.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 51418764023233 in words is "fifty-one trillion, four hundred eighteen billion, seven hundred sixty-four million, twenty-three thousand, two hundred thirty-three".

Divisors: 1 2393 21487155881 51418764023233