Search a number
-
+
52315182072 = 2333242199917
BaseRepresentation
bin110000101110001110…
…100101001111111000
312000000221020121101000
4300232032211033320
51324120141311242
640011103525000
73531263465466
oct605616451770
9160027217330
1052315182072
112020661366a
12a1802b9760
134c195cc34a
142763dd1836
151562c64a4c
hexc2e3a53f8

52315182072 has 32 divisors (see below), whose sum is σ = 145319950800. Its totient is φ = 17438393952.

The previous prime is 52315182053. The next prime is 52315182077. The reversal of 52315182072 is 27028151325.

52315182072 is a `hidden beast` number, since 52 + 3 + 1 + 518 + 20 + 72 = 666.

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 (52315182077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121099743 + ... + 121100174.

Almost surely, 252315182072 is an apocalyptic number.

It is an amenable number.

52315182072 is an abundant number, since it is smaller than the sum of its proper divisors (93004768728).

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

52315182072 is a wasteful number, since it uses less digits than its factorization.

52315182072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242199932 (or 242199922 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 52315182072 in words is "fifty-two billion, three hundred fifteen million, one hundred eighty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 242199917 484399834 726599751 968799668 1453199502 1937599336 2179799253 2906399004 4359598506 5812798008 6539397759 8719197012 13078795518 17438394024 26157591036 52315182072