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52631997600 = 253527213173199
BaseRepresentation
bin110001000001000111…
…001000110010100000
312000212000101111120110
4301001013020302200
51330242242410400
640102342211320
73542161412100
oct610107106240
9160760344513
1052631997600
1120359432886
12a24a423b40
134c6a136c60
142794101200
151580995e50
hexc411c8ca0

52631997600 has 864 divisors, whose sum is σ = 216942364800. Its totient is φ = 10985103360.

The previous prime is 52631997571. The next prime is 52631997647. The reversal of 52631997600 is 679913625.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 52631997600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 264482301 + ... + 264482499.

It is an arithmetic number, because the mean of its divisors is an integer number (251090700).

Almost surely, 252631997600 is an apocalyptic number.

52631997600 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 52631997600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108471182400).

52631997600 is an abundant number, since it is smaller than the sum of its proper divisors (164310367200).

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

52631997600 is a wasteful number, since it uses less digits than its factorization.

52631997600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 52631997600 in words is "fifty-two billion, six hundred thirty-one million, nine hundred ninety-seven thousand, six hundred".