Search a number
-
+
53997148800 = 27335271937127
BaseRepresentation
bin110010010010011110…
…110001101010000000
312011101011011100222000
4302102132301222000
51341041232230200
640450030144000
73621046122540
oct622236615200
9164334140860
1053997148800
1120999a8a111
12a56b652000
135126c0372a
142883541320
151610755300
hexc927b1a80

53997148800 has 1536 divisors, whose sum is σ = 246079488000. Its totient is φ = 11287019520.

The previous prime is 53997148769. The next prime is 53997148811. The reversal of 53997148800 is 884179935.

53997148800 is a `hidden beast` number, since 5 + 3 + 99 + 71 + 488 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 425174337 + ... + 425174463.

It is an arithmetic number, because the mean of its divisors is an integer number (160208000).

Almost surely, 253997148800 is an apocalyptic number.

53997148800 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 53997148800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123039744000).

53997148800 is an abundant number, since it is smaller than the sum of its proper divisors (192082339200).

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

53997148800 is a wasteful number, since it uses less digits than its factorization.

53997148800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 53997148800 in words is "fifty-three billion, nine hundred ninety-seven million, one hundred forty-eight thousand, eight hundred".