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12964432243 = 73738535821
BaseRepresentation
bin11000001001011110…
…11000100101110011
31020110111212101200011
430010233120211303
5203022343312433
65542240435351
7636161566360
oct140457304563
936414771604
1012964432243
1155530a1914
122619918b57
1312b7bca6a9
148adb4b467
1550d2783cd
hex304bd8973

12964432243 has 16 divisors (see below), whose sum is σ = 14876188096. Its totient is φ = 11067684480.

The previous prime is 12964432219. The next prime is 12964432253. The reversal of 12964432243 is 34223446921.

12964432243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12964432243 - 25 = 12964432211 is a prime.

It is a super-2 number, since 2×129644322432 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12964432196 and 12964432205.

It is not an unprimeable number, because it can be changed into a prime (12964432213) 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 15 ways as a sum of consecutive naturals, for example, 2224273 + ... + 2230093.

It is an arithmetic number, because the mean of its divisors is an integer number (929761756).

Almost surely, 212964432243 is an apocalyptic number.

12964432243 is a deficient number, since it is larger than the sum of its proper divisors (1911755853).

12964432243 is an equidigital number, since it uses as much as digits as its factorization.

12964432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054.

The product of its digits is 248832, while the sum is 40.

The spelling of 12964432243 in words is "twelve billion, nine hundred sixty-four million, four hundred thirty-two thousand, two hundred forty-three".

Divisors: 1 7 373 853 2611 5821 5971 40747 318169 2171233 2227183 4965313 15198631 34757191 1852061749 12964432243