Search a number
-
+
52053707831 = 821466313597
BaseRepresentation
bin110000011110101001…
…001000110000110111
311222100201020100010212
4300132221020300313
51323101222122311
635525123340035
73521640134066
oct603651106067
9158321210125
1052053707831
1120091a63154
12a10882161b
134ba73a0068
14273b3aa1dd
151549d15c8b
hexc1ea48c37

52053707831 has 8 divisors (see below), whose sum is σ = 52132121184. Its totient is φ = 51975332640.

The previous prime is 52053707813. The next prime is 52053707833. The reversal of 52053707831 is 13870735025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52053707831 is a prime.

It is a super-2 number, since 2×520537078312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52053707833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821525 + ... + 3835121.

It is an arithmetic number, because the mean of its divisors is an integer number (6516515148).

Almost surely, 252053707831 is an apocalyptic number.

52053707831 is a deficient number, since it is larger than the sum of its proper divisors (78413353).

52053707831 is a wasteful number, since it uses less digits than its factorization.

52053707831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 52053707831 in words is "fifty-two billion, fifty-three million, seven hundred seven thousand, eight hundred thirty-one".

Divisors: 1 821 4663 13597 3828323 11163137 63402811 52053707831