Search a number
-
+
768025111 = 72512711613
BaseRepresentation
bin101101110001110…
…010001000010111
31222112011201101111
4231301302020113
53033103300421
6204113235451
725014051160
oct5561621027
91875151344
10768025111
113645916a7
12195262b87
13c3169039
1474004767
154765cee1
hex2dc72217

768025111 has 16 divisors (see below), whose sum is σ = 885040128. Its totient is φ = 652860000.

The previous prime is 768025103. The next prime is 768025117. The reversal of 768025111 is 111520867.

768025111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 768025111 - 23 = 768025103 is a prime.

It is a super-2 number, since 2×7680251112 = 1179725142253124642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768025117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475341 + ... + 476953.

It is an arithmetic number, because the mean of its divisors is an integer number (55315008).

Almost surely, 2768025111 is an apocalyptic number.

768025111 is a deficient number, since it is larger than the sum of its proper divisors (117015017).

768025111 is a wasteful number, since it uses less digits than its factorization.

768025111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 768025111 is about 27713.2659749803. The cubic root of 768025111 is about 915.7813748087.

Adding to 768025111 its reverse (111520867), we get a palindrome (879545978).

The spelling of 768025111 in words is "seven hundred sixty-eight million, twenty-five thousand, one hundred eleven".

Divisors: 1 7 251 271 1613 1757 1897 11291 68021 404863 437123 476147 2834041 3059861 109717873 768025111