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13224221402 = 27944587243
BaseRepresentation
bin11000101000011100…
…11001101011011010
31021010121201001101212
430110032121223122
5204040400041102
610024120543122
7645465012230
oct142416315332
937117631355
1013224221402
1156768012a7
122690921aa2
1313299899a2
148d6454950
15525e92c52
hex314399ada

13224221402 has 8 divisors (see below), whose sum is σ = 22670093856. Its totient is φ = 5667523452.

The previous prime is 13224221401. The next prime is 13224221449. The reversal of 13224221402 is 20412242231.

13224221402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×132242214022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13224221401) 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, 472293608 + ... + 472293635.

It is an arithmetic number, because the mean of its divisors is an integer number (2833761732).

Almost surely, 213224221402 is an apocalyptic number.

13224221402 is a deficient number, since it is larger than the sum of its proper divisors (9445872454).

13224221402 is an equidigital number, since it uses as much as digits as its factorization.

13224221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944587252.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 13224221402 its reverse (20412242231), we get a palindrome (33636463633).

The spelling of 13224221402 in words is "thirteen billion, two hundred twenty-four million, two hundred twenty-one thousand, four hundred two".

Divisors: 1 2 7 14 944587243 1889174486 6612110701 13224221402