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13224310001 = 71889187143
BaseRepresentation
bin11000101000011101…
…01111010011110001
31021010121212112221022
430110032233103301
5204040410410001
610024122505225
7645465531440
oct142416572361
937117775838
1013224310001
115676861921
122690965215
1313299bb106
148d6478d57
15525eae11b
hex3143af4f1

13224310001 has 4 divisors (see below), whose sum is σ = 15113497152. Its totient is φ = 11335122852.

The previous prime is 13224309983. The next prime is 13224310003. The reversal of 13224310001 is 10001342231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10001342231 = 77312938347.

It is a cyclic number.

It is not a de Polignac number, because 13224310001 - 226 = 13157201137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13224310003) 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, 944593565 + ... + 944593578.

It is an arithmetic number, because the mean of its divisors is an integer number (3778374288).

Almost surely, 213224310001 is an apocalyptic number.

It is an amenable number.

13224310001 is a deficient number, since it is larger than the sum of its proper divisors (1889187151).

13224310001 is an equidigital number, since it uses as much as digits as its factorization.

13224310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889187150.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13224310001 its reverse (10001342231), we get a palindrome (23225652232).

The spelling of 13224310001 in words is "thirteen billion, two hundred twenty-four million, three hundred ten thousand, one".

Divisors: 1 7 1889187143 13224310001