Search a number
-
+
54720891726 = 239120148621
BaseRepresentation
bin110010111101100111…
…101000101101001110
312020020121000022121120
4302331213220231032
51344032022013401
641045522341410
73645014622324
oct627547505516
9166217008546
1054720891726
1121230575966
12a731aba866
135210b36a97
1429116d9d14
151654067836
hexcbd9e8b4e

54720891726 has 8 divisors (see below), whose sum is σ = 109441783464. Its totient is φ = 18240297240.

The previous prime is 54720891697. The next prime is 54720891737. The reversal of 54720891726 is 62719802745.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

54720891726 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560074305 + ... + 4560074316.

It is an arithmetic number, because the mean of its divisors is an integer number (13680222933).

Almost surely, 254720891726 is an apocalyptic number.

54720891726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54720891726 is a wasteful number, since it uses less digits than its factorization.

54720891726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120148626.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 54720891726 in words is "fifty-four billion, seven hundred twenty million, eight hundred ninety-one thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 9120148621 18240297242 27360445863 54720891726