Search a number
-
+
53866720576000 = 2953435925623
BaseRepresentation
bin11000011111101110100101…
…01111101100001000000000
321001201121102101002201110001
430033313102233230020000
524030023020431413000
6310322010234445344
714226512360133043
oct1417672257541000
9231647371081401
1053866720576000
111618882550a862
12605b893893854
1324097c10ba1c7
14d4323dadac5a
156362e4e1a46a
hex30fdd2bec200

53866720576000 has 480 divisors, whose sum is σ = 139837659781248. Its totient is φ = 20685217996800.

The previous prime is 53866720575977. The next prime is 53866720576001. The reversal of 53866720576000 is 67502766835.

It is a super-2 number, since 2×538667205760002 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53866720576001) 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, 9579709189 + ... + 9579714811.

Almost surely, 253866720576000 is an apocalyptic number.

53866720576000 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 53866720576000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69918829890624).

53866720576000 is an abundant number, since it is smaller than the sum of its proper divisors (85970939205248).

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

53866720576000 is an frugal number, since it uses more digits than its factorization.

53866720576000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5732 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 53866720576000 in words is "fifty-three trillion, eight hundred sixty-six billion, seven hundred twenty million, five hundred seventy-six thousand".