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12371384107 = 63119605997
BaseRepresentation
bin10111000010110010…
…00101011100101011
31011221011221102120101
423201121011130223
5200314033242412
65403333410231
7615401013145
oct134131053453
934834842511
1012371384107
115279361a95
122493199977
131222097134
14855093c95
154c6180457
hex2e164572b

12371384107 has 4 divisors (see below), whose sum is σ = 12390990736. Its totient is φ = 12351777480.

The previous prime is 12371384093. The next prime is 12371384111. The reversal of 12371384107 is 70148317321.

It is a happy number.

12371384107 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 12371384107 - 27 = 12371383979 is a prime.

It is a super-2 number, since 2×123713841072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12371384167) 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, 9802368 + ... + 9803629.

It is an arithmetic number, because the mean of its divisors is an integer number (3097747684).

Almost surely, 212371384107 is an apocalyptic number.

12371384107 is a deficient number, since it is larger than the sum of its proper divisors (19606629).

12371384107 is an equidigital number, since it uses as much as digits as its factorization.

12371384107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19606628.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 12371384107 in words is "twelve billion, three hundred seventy-one million, three hundred eighty-four thousand, one hundred seven".

Divisors: 1 631 19605997 12371384107