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12423265087 = 113109940399
BaseRepresentation
bin10111001000111101…
…11111101100111111
31012001210120020220011
423210132333230333
5200420323440322
65412425404051
7616601003512
oct134436775477
935053506804
1012423265087
1152a5677a32
1224a8639627
13122ca6073c
1485bd1ad79
154ca9cc677
hex2e47bfb3f

12423265087 has 4 divisors (see below), whose sum is σ = 12533205600. Its totient is φ = 12313324576.

The previous prime is 12423265037. The next prime is 12423265091. The reversal of 12423265087 is 78056232421.

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 12423265087 - 223 = 12414876479 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 (12423265027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54970087 + ... + 54970312.

It is an arithmetic number, because the mean of its divisors is an integer number (3133301400).

Almost surely, 212423265087 is an apocalyptic number.

12423265087 is a deficient number, since it is larger than the sum of its proper divisors (109940513).

12423265087 is a wasteful number, since it uses less digits than its factorization.

12423265087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109940512.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 12423265087 in words is "twelve billion, four hundred twenty-three million, two hundred sixty-five thousand, eighty-seven".

Divisors: 1 113 109940399 12423265087