Search a number
-
+
52750317312 = 2833721114159
BaseRepresentation
bin110001001000001010…
…011111011100000000
312001011021000202201000
4301020022133130000
51331013040123222
640122210212000
73545126204400
oct611012373400
9161137022630
1052750317312
112040a1a7170
12a281b84000
134c887c3114
1427a5b00800
15158b0689ac
hexc4829f700

52750317312 has 432 divisors, whose sum is σ = 197970393600. Its totient is φ = 13700413440.

The previous prime is 52750317299. The next prime is 52750317313. The reversal of 52750317312 is 21371305725.

It is a happy number.

52750317312 is a `hidden beast` number, since 5 + 27 + 5 + 0 + 317 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52750317313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3718489 + ... + 3732647.

It is an arithmetic number, because the mean of its divisors is an integer number (458264800).

Almost surely, 252750317312 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 52750317312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98985196800).

52750317312 is an abundant number, since it is smaller than the sum of its proper divisors (145220076288).

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

52750317312 is a wasteful number, since it uses less digits than its factorization.

52750317312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14209 (or 14182 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 52750317312 in words is "fifty-two billion, seven hundred fifty million, three hundred seventeen thousand, three hundred twelve".