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52688064000 = 29353111319101
BaseRepresentation
bin110001000100011101…
…000000111000000000
312000222220212222012210
4301010131000320000
51330401121022000
640112104022120
73543442104015
oct610435007000
9160886788183
1052688064000
1120388047350
12a265161940
134c78937640
14279b73770c
15158586d350
hexc44740e00

52688064000 has 1280 divisors, whose sum is σ = 218775997440. Its totient is φ = 11059200000.

The previous prime is 52688063999. The next prime is 52688064017. The reversal of 52688064000 is 46088625.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 52688064000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 521663950 + ... + 521664050.

It is an arithmetic number, because the mean of its divisors is an integer number (170918748).

Almost surely, 252688064000 is an apocalyptic number.

52688064000 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 52688064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109387998720).

52688064000 is an abundant number, since it is smaller than the sum of its proper divisors (166087933440).

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

52688064000 is a wasteful number, since it uses less digits than its factorization.

52688064000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 52688064000 in words is "fifty-two billion, six hundred eighty-eight million, sixty-four thousand".