Search a number
-
+
54254155279 = 191284053169
BaseRepresentation
bin110010100001110011…
…001011011000001111
312012001001202122120111
4302201303023120033
51342103030432104
640531330500451
73630316465552
oct624163133017
9165031678514
1054254155279
1121011068965
12a621734727
13516822a27c
1428a9722699
1516280c0404
hexca1ccb60f

54254155279 has 4 divisors (see below), whose sum is σ = 54538208640. Its totient is φ = 53970101920.

The previous prime is 54254155259. The next prime is 54254155297. The reversal of 54254155279 is 97255145245.

54254155279 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54254155279 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54254155229) 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, 142026394 + ... + 142026775.

It is an arithmetic number, because the mean of its divisors is an integer number (13634552160).

Almost surely, 254254155279 is an apocalyptic number.

54254155279 is a deficient number, since it is larger than the sum of its proper divisors (284053361).

54254155279 is a wasteful number, since it uses less digits than its factorization.

54254155279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284053360.

The product of its digits is 2520000, while the sum is 49.

The spelling of 54254155279 in words is "fifty-four billion, two hundred fifty-four million, one hundred fifty-five thousand, two hundred seventy-nine".

Divisors: 1 191 284053169 54254155279