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12523150103 = 53236285851
BaseRepresentation
bin10111010100111000…
…00001101100010111
31012022202111221101012
423222130001230113
5201121411300403
65430354322435
7622223006462
oct135234015427
935282457335
1012523150103
115346aa0032
122515b8941b
131247663ab9
1486b2bc2d9
154d465ced8
hex2ea701b17

12523150103 has 4 divisors (see below), whose sum is σ = 12759436008. Its totient is φ = 12286864200.

The previous prime is 12523150099. The next prime is 12523150109. The reversal of 12523150103 is 30105132521.

It is a happy number.

12523150103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12523150103 - 22 = 12523150099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523150109) 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, 118142873 + ... + 118142978.

It is an arithmetic number, because the mean of its divisors is an integer number (3189859002).

Almost surely, 212523150103 is an apocalyptic number.

12523150103 is a deficient number, since it is larger than the sum of its proper divisors (236285905).

12523150103 is an equidigital number, since it uses as much as digits as its factorization.

12523150103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236285904.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 12523150103 its reverse (30105132521), we get a palindrome (42628282624).

The spelling of 12523150103 in words is "twelve billion, five hundred twenty-three million, one hundred fifty thousand, one hundred three".

Divisors: 1 53 236285851 12523150103