Search a number
-
+
268560989171 = 4491944730757
BaseRepresentation
bin1111101000011101111…
…0110111101111110011
3221200012110212210121122
43322013132313233303
513400003103123141
6323213014012455
725255122512546
oct3720736675763
9850173783548
10268560989171
11a399474a122
124407064712b
131c42c5a9817
14cdd994c85d
156ebc58664b
hex3e877b7bf3

268560989171 has 8 divisors (see below), whose sum is σ = 269181712800. Its totient is φ = 267940366848.

The previous prime is 268560989161. The next prime is 268560989173. The reversal of 268560989171 is 171989065862.

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 268560989171 - 214 = 268560972787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268560989173) 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, 8716325 + ... + 8747081.

It is an arithmetic number, because the mean of its divisors is an integer number (33647714100).

Almost surely, 2268560989171 is an apocalyptic number.

268560989171 is a deficient number, since it is larger than the sum of its proper divisors (620723629).

268560989171 is a wasteful number, since it uses less digits than its factorization.

268560989171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50653.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 268560989171 in words is "two hundred sixty-eight billion, five hundred sixty million, nine hundred eighty-nine thousand, one hundred seventy-one".

Divisors: 1 449 19447 30757 8731703 13809893 598131379 268560989171