Search a number
-
+
52885767191 = 64951814241
BaseRepresentation
bin110001010000001111…
…001100010000010111
312001111200220100000012
4301100033030100113
51331302224022231
640143445310435
73551362414115
oct612017142027
9161450810005
1052885767191
1120479700714
12a2bb40541b
134caa89938a
1427b9abcab5
151597dc1e2b
hexc503cc417

52885767191 has 4 divisors (see below), whose sum is σ = 52886646384. Its totient is φ = 52884888000.

The previous prime is 52885767173. The next prime is 52885767199. The reversal of 52885767191 is 19176758825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52885767191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52885767191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52885767199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342170 + ... + 472071.

It is an arithmetic number, because the mean of its divisors is an integer number (13221661596).

Almost surely, 252885767191 is an apocalyptic number.

52885767191 is a deficient number, since it is larger than the sum of its proper divisors (879193).

52885767191 is an equidigital number, since it uses as much as digits as its factorization.

52885767191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879192.

The product of its digits is 8467200, while the sum is 59.

The spelling of 52885767191 in words is "fifty-two billion, eight hundred eighty-five million, seven hundred sixty-seven thousand, one hundred ninety-one".

Divisors: 1 64951 814241 52885767191