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12441247693 = 71777321099
BaseRepresentation
bin10111001011000111…
…00101111111001101
31012010001101212101121
423211203211333031
5200434424411233
65414311040541
7620206601110
oct134543457715
935101355347
1012441247693
11530483a596
1224b2670151
1312336b8834
1486047c577
154cc38092d
hex2e58e5fcd

12441247693 has 4 divisors (see below), whose sum is σ = 14218568800. Its totient is φ = 10663926588.

The previous prime is 12441247667. The next prime is 12441247697. The reversal of 12441247693 is 39674214421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12441247693 - 25 = 12441247661 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 (12441247697) 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, 888660543 + ... + 888660556.

It is an arithmetic number, because the mean of its divisors is an integer number (3554642200).

Almost surely, 212441247693 is an apocalyptic number.

It is an amenable number.

12441247693 is a deficient number, since it is larger than the sum of its proper divisors (1777321107).

12441247693 is an equidigital number, since it uses as much as digits as its factorization.

12441247693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777321106.

The product of its digits is 290304, while the sum is 43.

The spelling of 12441247693 in words is "twelve billion, four hundred forty-one million, two hundred forty-seven thousand, six hundred ninety-three".

Divisors: 1 7 1777321099 12441247693