Search a number
-
+
52886661917 = 376551218191
BaseRepresentation
bin110001010000010010…
…100110101100011101
312001111202120210100012
4301100102212230131
51331302441140132
640143520413005
73551403131465
oct612022465435
9161452523305
1052886661917
112047a161961
12a2bb777165
134caab206bb
1427b9c72ba5
151597eec0b2
hexc504a6b1d

52886661917 has 8 divisors (see below), whose sum is σ = 54324571392. Its totient is φ = 51449202000.

The previous prime is 52886661859. The next prime is 52886661929. The reversal of 52886661917 is 71916668825.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52886661917 - 212 = 52886657821 is a prime.

It is a super-2 number, since 2×528866619172 (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 (52886661967) 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, 133292 + ... + 351482.

It is an arithmetic number, because the mean of its divisors is an integer number (6790571424).

Almost surely, 252886661917 is an apocalyptic number.

It is an amenable number.

52886661917 is a deficient number, since it is larger than the sum of its proper divisors (1437909475).

52886661917 is a wasteful number, since it uses less digits than its factorization.

52886661917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224779.

The product of its digits is 8709120, while the sum is 59.

The spelling of 52886661917 in words is "fifty-two billion, eight hundred eighty-six million, six hundred sixty-one thousand, nine hundred seventeen".

Divisors: 1 37 6551 218191 242387 8073067 1429369241 52886661917