Search a number
-
+
54642161600 = 26521321711887
BaseRepresentation
bin110010111000111011…
…010011011111000000
312020001002212102011222
4302320323103133000
51343401343132400
641034031054212
73643040465405
oct627073233700
9166032772158
1054642161600
11211a0091844
12a70b671368
1351ca72c700
1429050842ac
15164c1b5185
hexcb8ed37c0

54642161600 has 252 divisors, whose sum is σ = 154169266464. Its totient is φ = 18987171840.

The previous prime is 54642161597. The next prime is 54642161621. The reversal of 54642161600 is 616124645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4590857 + ... + 4602743.

Almost surely, 254642161600 is an apocalyptic number.

54642161600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54642161600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77084633232).

54642161600 is an abundant number, since it is smaller than the sum of its proper divisors (99527104864).

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

54642161600 is a wasteful number, since it uses less digits than its factorization.

54642161600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 54642161600 in words is "fifty-four billion, six hundred forty-two million, one hundred sixty-one thousand, six hundred".