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54739130688 = 26321117619821
BaseRepresentation
bin110010111110101101…
…001101100101000000
312020021212022221202200
4302332231031211000
51344101204140223
641051413313200
73645325635204
oct627655154500
9166255287680
1054739130688
112123a8a3090
12a738035800
135214851778
142913cc6b04
15165596ba43
hexcbeb4d940

54739130688 has 336 divisors, whose sum is σ = 181745778240. Its totient is φ = 15567667200.

The previous prime is 54739130683. The next prime is 54739130707. The reversal of 54739130688 is 88603193745.

54739130688 is a `hidden beast` number, since 5 + 473 + 91 + 3 + 0 + 6 + 88 = 666.

54739130688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54739130683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66673318 + ... + 66674138.

Almost surely, 254739130688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54739130688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90872889120).

54739130688 is an abundant number, since it is smaller than the sum of its proper divisors (127006647552).

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

54739130688 is a wasteful number, since it uses less digits than its factorization.

54739130688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 54739130688 in words is "fifty-four billion, seven hundred thirty-nine million, one hundred thirty thousand, six hundred eighty-eight".