Search a number
-
+
668107110110 = 25116073701001
BaseRepresentation
bin10011011100011100100…
…10010111011011011110
32100212111112101201120212
421232032102113123132
541421240410010420
61230531342012422
766161213510156
oct11561622273336
92325445351525
10668107110110
11238385056460
12a9597877112
134b004b9066b
142449d723766
15125a41c73c5
hex9b8e4976de

668107110110 has 16 divisors (see below), whose sum is σ = 1311919416432. Its totient is φ = 242948040000.

The previous prime is 668107110059. The next prime is 668107110127. The reversal of 668107110110 is 11011701866.

It is a happy number.

It is a super-3 number, since 3×6681071101103 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036850391 + ... + 3036850610.

It is an arithmetic number, because the mean of its divisors is an integer number (81994963527).

Almost surely, 2668107110110 is an apocalyptic number.

668107110110 is a deficient number, since it is larger than the sum of its proper divisors (643812306322).

668107110110 is a wasteful number, since it uses less digits than its factorization.

668107110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073701019.

The product of its (nonzero) digits is 2016, while the sum is 32.

Adding to 668107110110 its reverse (11011701866), we get a palindrome (679118811976).

The spelling of 668107110110 in words is "six hundred sixty-eight billion, one hundred seven million, one hundred ten thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 6073701001 12147402002 30368505005 60737010010 66810711011 133621422022 334053555055 668107110110