Search a number
-
+
52720413171 = 323764063959
BaseRepresentation
bin110001000110011000…
…011010100111110011
312001002011202110221020
4301012120122213303
51330432411210141
640115221230523
73544314055326
oct610630324763
9161064673836
1052720413171
11203a43317a8
12a273b62443
134c8255296a
1427a1b587bd
15158860d266
hexc4661a9f3

52720413171 has 8 divisors (see below), whose sum is σ = 73350140160. Its totient is φ = 33618814152.

The previous prime is 52720413167. The next prime is 52720413173. The reversal of 52720413171 is 17131402725.

52720413171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52720413171 - 22 = 52720413167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52720413173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382031911 + ... + 382032048.

It is an arithmetic number, because the mean of its divisors is an integer number (9168767520).

Almost surely, 252720413171 is an apocalyptic number.

52720413171 is a deficient number, since it is larger than the sum of its proper divisors (20629726989).

52720413171 is a wasteful number, since it uses less digits than its factorization.

52720413171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764063985.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 52720413171 its reverse (17131402725), we get a palindrome (69851815896).

The spelling of 52720413171 in words is "fifty-two billion, seven hundred twenty million, four hundred thirteen thousand, one hundred seventy-one".

Divisors: 1 3 23 69 764063959 2292191877 17573471057 52720413171