Search a number
-
+
52391764605 = 3519183830753
BaseRepresentation
bin110000110010110010…
…101110001001111101
312000020021100101212010
4300302302232021331
51324244242431410
640022441201433
73533213436255
oct606262561175
9160207311763
1052391764605
1120245870214
12a1a1a90279
134c2c43405b
142770248965
151569840c20
hexc32cae27d

52391764605 has 16 divisors (see below), whose sum is σ = 88238761920. Its totient is φ = 26471628288.

The previous prime is 52391764553. The next prime is 52391764639. The reversal of 52391764605 is 50646719325.

It is not a de Polignac number, because 52391764605 - 29 = 52391764093 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 91915092 + ... + 91915661.

It is an arithmetic number, because the mean of its divisors is an integer number (5514922620).

Almost surely, 252391764605 is an apocalyptic number.

It is an amenable number.

52391764605 is a deficient number, since it is larger than the sum of its proper divisors (35846997315).

52391764605 is a wasteful number, since it uses less digits than its factorization.

52391764605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183830780.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 52391764605 in words is "fifty-two billion, three hundred ninety-one million, seven hundred sixty-four thousand, six hundred five".

Divisors: 1 3 5 15 19 57 95 285 183830753 551492259 919153765 2757461295 3492784307 10478352921 17463921535 52391764605