Search a number
-
+
52243162920 = 23355133113337
BaseRepresentation
bin110000101001111011…
…110110011100101000
311222211220201122200000
4300221323312130220
51323443222203140
640000012143000
73526430362224
oct605173663450
9158756648600
1052243162920
11201799a3603
12a160167a60
134c07704770
142758605784
15155b78aa30
hexc29ef6728

52243162920 has 384 divisors, whose sum is σ = 195754890240. Its totient is φ = 12444088320.

The previous prime is 52243162901. The next prime is 52243162931. The reversal of 52243162920 is 2926134225.

52243162920 is a `hidden beast` number, since 5 + 2 + 2 + 4 + 3 + 1 + 629 + 20 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3910492 + ... + 3923828.

It is an arithmetic number, because the mean of its divisors is an integer number (509778360).

Almost surely, 252243162920 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 52243162920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97877445120).

52243162920 is an abundant number, since it is smaller than the sum of its proper divisors (143511727320).

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

52243162920 is a wasteful number, since it uses less digits than its factorization.

52243162920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407 (or 13391 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 52243162920 in words is "fifty-two billion, two hundred forty-three million, one hundred sixty-two thousand, nine hundred twenty".