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53712638400 = 2635267716529
BaseRepresentation
bin110010000001100001…
…011101000111000000
312010122022210202001210
4302001201131013000
51340000413412100
640401504130120
73611022615261
oct620141350700
9163568722053
1053712638400
1120863425253
12a4b0306940
1350acc9a095
142857840968
1515e57a5c50
hexc8185d1c0

53712638400 has 168 divisors, whose sum is σ = 176493190320. Its totient is φ = 14301347840.

The previous prime is 53712638389. The next prime is 53712638423. The reversal of 53712638400 is 483621735.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3241336 + ... + 3257864.

Almost surely, 253712638400 is an apocalyptic number.

53712638400 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 53712638400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88246595160).

53712638400 is an abundant number, since it is smaller than the sum of its proper divisors (122780551920).

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

53712638400 is a wasteful number, since it uses less digits than its factorization.

53712638400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17231 (or 17216 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 53712638400 in words is "fifty-three billion, seven hundred twelve million, six hundred thirty-eight thousand, four hundred".