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115041023 = 176767119
BaseRepresentation
bin1101101101101…
…10001011111111
322000110200121122
412312312023333
5213422303043
615225421155
72564555366
oct666661377
9260420548
10115041023
1159a35029
123263a7bb
131aaaba16
14113c87dd
15a176368
hex6db62ff

115041023 has 4 divisors (see below), whose sum is σ = 121808160. Its totient is φ = 108273888.

The previous prime is 115041013. The next prime is 115041037. The reversal of 115041023 is 320140511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320140511 = 536040387.

It is a cyclic number.

It is not a de Polignac number, because 115041023 - 210 = 115039999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6767119 = 115041023 / (1 + 1 + 5 + 0 + 4 + 1 + 0 + 2 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115040992 and 115041010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115041013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383543 + ... + 3383576.

It is an arithmetic number, because the mean of its divisors is an integer number (30452040).

Almost surely, 2115041023 is an apocalyptic number.

115041023 is a deficient number, since it is larger than the sum of its proper divisors (6767137).

115041023 is an equidigital number, since it uses as much as digits as its factorization.

115041023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767136.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115041023 is about 10725.7178314554. The cubic root of 115041023 is about 486.3522301647.

Adding to 115041023 its reverse (320140511), we get a palindrome (435181534).

The spelling of 115041023 in words is "one hundred fifteen million, forty-one thousand, twenty-three".

Divisors: 1 17 6767119 115041023