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10115018 = 25057509
BaseRepresentation
bin100110100101…
…011111001010
3201000220012022
4212211133022
510042140033
61000444442
7151655564
oct46453712
921026168
1010115018
115789621
123479722
132132024
1414b4334
15d4c098
hex9a57ca

10115018 has 4 divisors (see below), whose sum is σ = 15172530. Its totient is φ = 5057508.

The previous prime is 10115003. The next prime is 10115041. The reversal of 10115018 is 81051101.

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

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 47089 = 3173^2 + 217^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10114987 and 10115005.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2528753 + ... + 2528756.

Almost surely, 210115018 is an apocalyptic number.

10115018 is a deficient number, since it is larger than the sum of its proper divisors (5057512).

10115018 is an equidigital number, since it uses as much as digits as its factorization.

10115018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057511.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 10115018 is about 3180.4116085815. The cubic root of 10115018 is about 216.2663181690.

Adding to 10115018 its reverse (81051101), we get a palindrome (91166119).

The spelling of 10115018 in words is "ten million, one hundred fifteen thousand, eighteen".

Divisors: 1 2 5057509 10115018