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12377660123 = 43287852561
BaseRepresentation
bin10111000011100010…
…00001101011011011
31011221121202021122102
423201301001223123
5200322140110443
65404120114015
7615505242443
oct134161015333
934847667572
1012377660123
115281959284
12249530590b
13122348395a
14855c49123
154c69becb8
hex2e1c41adb

12377660123 has 4 divisors (see below), whose sum is σ = 12665512728. Its totient is φ = 12089807520.

The previous prime is 12377660107. The next prime is 12377660131. The reversal of 12377660123 is 32106677321.

12377660123 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, and also an emirpimes, since its reverse is a distinct semiprime: 32106677321 = 268331196537.

It is a cyclic number.

It is not a de Polignac number, because 12377660123 - 24 = 12377660107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12377660173) 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, 143926238 + ... + 143926323.

It is an arithmetic number, because the mean of its divisors is an integer number (3166378182).

Almost surely, 212377660123 is an apocalyptic number.

12377660123 is a deficient number, since it is larger than the sum of its proper divisors (287852605).

12377660123 is an equidigital number, since it uses as much as digits as its factorization.

12377660123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287852604.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 12377660123 in words is "twelve billion, three hundred seventy-seven million, six hundred sixty thousand, one hundred twenty-three".

Divisors: 1 43 287852561 12377660123