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52507502208 = 2736780387
BaseRepresentation
bin110000111001101100…
…001110011010000000
312000112100010111000000
4300321230032122000
51330013410032313
640042134000000
73536120255550
oct607154163200
9160470114000
1052507502208
11202a5130627
12a2147a6000
134c4a3c7b45
142781775160
151574aa3673
hexc39b0e680

52507502208 has 224 divisors, whose sum is σ = 179242731360. Its totient is φ = 15001956864.

The previous prime is 52507502207. The next prime is 52507502237. The reversal of 52507502208 is 80220570525.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52507502207) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 612991 + ... + 693377.

It is an arithmetic number, because the mean of its divisors is an integer number (800190765).

Almost surely, 252507502208 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 52507502208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89621365680).

52507502208 is an abundant number, since it is smaller than the sum of its proper divisors (126735229152).

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

52507502208 is an frugal number, since it uses more digits than its factorization.

52507502208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80426 (or 80399 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 52507502208 in words is "fifty-two billion, five hundred seven million, five hundred two thousand, two hundred eight".