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52073213280 = 253511432111087
BaseRepresentation
bin110000011111110011…
…100010110101100000
311222102001221022120220
4300133303202311200
51323121220311110
635531101403040
73522265003224
oct603763426540
9158361838526
1052073213280
11200a1a75960
12a113269480
134bab43c34a
14273dc06784
15154b8ba370
hexc1fce2d60

52073213280 has 384 divisors, whose sum is σ = 184140988416. Its totient is φ = 12260505600.

The previous prime is 52073213279. The next prime is 52073213317. The reversal of 52073213280 is 8231237025.

52073213280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47904897 + ... + 47905983.

It is an arithmetic number, because the mean of its divisors is an integer number (479533824).

Almost surely, 252073213280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52073213280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92070494208).

52073213280 is an abundant number, since it is smaller than the sum of its proper divisors (132067775136).

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

52073213280 is a wasteful number, since it uses less digits than its factorization.

52073213280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 52073213280 in words is "fifty-two billion, seventy-three million, two hundred thirteen thousand, two hundred eighty".