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12351442245 = 351037994461
BaseRepresentation
bin10111000000011010…
…00000110101000101
31011212210102021110220
423200031000311011
5200243432122440
65401342134553
7615036345462
oct134015006505
934783367426
1012351442245
11526908140a
122488581459
13121ac0430c
14852582669
154c45418d0
hex2e0340d45

12351442245 has 16 divisors (see below), whose sum is σ = 19954177152. Its totient is φ = 6523479360.

The previous prime is 12351442219. The next prime is 12351442273. The reversal of 12351442245 is 54224415321.

It is not a de Polignac number, because 12351442245 - 214 = 12351425861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3995686 + ... + 3998775.

It is an arithmetic number, because the mean of its divisors is an integer number (1247136072).

Almost surely, 212351442245 is an apocalyptic number.

12351442245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12351442245 is a deficient number, since it is larger than the sum of its proper divisors (7602734907).

12351442245 is a wasteful number, since it uses less digits than its factorization.

12351442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994572.

The product of its digits is 38400, while the sum is 33.

Adding to 12351442245 its reverse (54224415321), we get a palindrome (66575857566).

The spelling of 12351442245 in words is "twelve billion, three hundred fifty-one million, four hundred forty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 103 309 515 1545 7994461 23983383 39972305 119916915 823429483 2470288449 4117147415 12351442245