Search a number
-
+
168885338705 = 5251134569991
BaseRepresentation
bin1001110101001001011…
…0011100001001010001
3121010220220120010021122
42131102112130021101
510231334121314310
6205330154532025
715126064456526
oct2352226341121
9533826503248
10168885338705
1165695409696
1228893437015
1312c06041ca5
1482619dd14d
1545d6a6a555
hex275259c251

168885338705 has 8 divisors (see below), whose sum is σ = 203469827904. Its totient is φ = 134569990000.

The previous prime is 168885338683. The next prime is 168885338773. The reversal of 168885338705 is 507833588861.

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

It is not a de Polignac number, because 168885338705 - 214 = 168885322321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 67283741 + ... + 67286250.

It is an arithmetic number, because the mean of its divisors is an integer number (25433728488).

Almost surely, 2168885338705 is an apocalyptic number.

It is an amenable number.

168885338705 is a deficient number, since it is larger than the sum of its proper divisors (34584489199).

168885338705 is a wasteful number, since it uses less digits than its factorization.

168885338705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134570247.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 168885338705 in words is "one hundred sixty-eight billion, eight hundred eighty-five million, three hundred thirty-eight thousand, seven hundred five".

Divisors: 1 5 251 1255 134569991 672849955 33777067741 168885338705