Search a number
-
+
115111104023 = 412807587903
BaseRepresentation
bin110101100110100101…
…0000000111000010111
3102000010021211222000002
41223031022000320113
53341221420312043
6124514210241515
711213363145236
oct1531512007027
9360107758002
10115111104023
1144900243223
121a38658629b
13ab16389506
1457ddd26b1d
152edab98bb8
hex1acd280e17

115111104023 has 4 divisors (see below), whose sum is σ = 117918691968. Its totient is φ = 112303516080.

The previous prime is 115111104013. The next prime is 115111104029. The reversal of 115111104023 is 320401111511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115111104023 - 26 = 115111103959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115111103986 and 115111104004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115111104029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1403793911 + ... + 1403793992.

It is an arithmetic number, because the mean of its divisors is an integer number (29479672992).

Almost surely, 2115111104023 is an apocalyptic number.

115111104023 is a deficient number, since it is larger than the sum of its proper divisors (2807587945).

115111104023 is an equidigital number, since it uses as much as digits as its factorization.

115111104023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807587944.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 115111104023 its reverse (320401111511), we get a palindrome (435512215534).

The spelling of 115111104023 in words is "one hundred fifteen billion, one hundred eleven million, one hundred four thousand, twenty-three".

Divisors: 1 41 2807587903 115111104023