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12442400011 = 174117851363
BaseRepresentation
bin10111001011001111…
…11111010100001011
31012010010120102002001
423211213333110023
5200440223300021
65414351451431
7620222440456
oct134547772413
935103512061
1012442400011
115305457318
1224b2b26b77
131233a00192
1486069c49d
154cc50c091
hex2e59ff50b

12442400011 has 8 divisors (see below), whose sum is σ = 13495631184. Its totient is φ = 11424871680.

The previous prime is 12442399973. The next prime is 12442400023. The reversal of 12442400011 is 11000424421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12442400011 - 219 = 12441875723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442410011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8924985 + ... + 8926378.

It is an arithmetic number, because the mean of its divisors is an integer number (1686953898).

Almost surely, 212442400011 is an apocalyptic number.

12442400011 is a deficient number, since it is larger than the sum of its proper divisors (1053231173).

12442400011 is a wasteful number, since it uses less digits than its factorization.

12442400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17851421.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12442400011 its reverse (11000424421), we get a palindrome (23442824432).

The spelling of 12442400011 in words is "twelve billion, four hundred forty-two million, four hundred thousand, eleven".

Divisors: 1 17 41 697 17851363 303473171 731905883 12442400011