Search a number
-
+
680223111 = 33110967103
BaseRepresentation
bin101000100010110…
…110000110000111
31202101221220200120
4220202312012013
52343114114421
6151255313023
722566541521
oct5042660607
91671856616
10680223111
11319a71767
1216b97b773
13aac066a9
14664aaa11
153eab78c6
hex288b6187

680223111 has 16 divisors (see below), whose sum is σ = 944824320. Its totient is φ = 434820960.

The previous prime is 680223109. The next prime is 680223113. The reversal of 680223111 is 111322086.

It is an interprime number because it is at equal distance from previous prime (680223109) and next prime (680223113).

It is not a de Polignac number, because 680223111 - 21 = 680223109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680223113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23415 + ... + 43688.

It is an arithmetic number, because the mean of its divisors is an integer number (59051520).

Almost surely, 2680223111 is an apocalyptic number.

680223111 is a deficient number, since it is larger than the sum of its proper divisors (264601209).

680223111 is a wasteful number, since it uses less digits than its factorization.

680223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67246.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 680223111 is about 26081.0872281046. The cubic root of 680223111 is about 879.4620985293.

Adding to 680223111 its reverse (111322086), we get a palindrome (791545197).

The spelling of 680223111 in words is "six hundred eighty million, two hundred twenty-three thousand, one hundred eleven".

Divisors: 1 3 31 93 109 327 3379 10137 67103 201309 2080193 6240579 7314227 21942681 226741037 680223111