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13221302201 = 131100925971
BaseRepresentation
bin11000101000000110…
…10000111110111001
31021010102012202000022
430110003100332321
5204034123132301
610023534220225
7645431133362
oct142403207671
937112182008
1013221302201
115675098038
12268b954675
1313291a7053
148d5cd4b69
15525ab7d1b
hex3140d0fb9

13221302201 has 4 divisors (see below), whose sum is σ = 13322228304. Its totient is φ = 13120376100.

The previous prime is 13221302197. The next prime is 13221302207. The reversal of 13221302201 is 10220312231.

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.

It is a cyclic number.

It is not a de Polignac number, because 13221302201 - 22 = 13221302197 is a prime.

It is a super-3 number, since 3×132213022013 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13221302201.

It is not an unprimeable number, because it can be changed into a prime (13221302207) 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, 50462855 + ... + 50463116.

It is an arithmetic number, because the mean of its divisors is an integer number (3330557076).

Almost surely, 213221302201 is an apocalyptic number.

It is an amenable number.

13221302201 is a deficient number, since it is larger than the sum of its proper divisors (100926103).

13221302201 is a wasteful number, since it uses less digits than its factorization.

13221302201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100926102.

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

Adding to 13221302201 its reverse (10220312231), we get a palindrome (23441614432).

The spelling of 13221302201 in words is "thirteen billion, two hundred twenty-one million, three hundred two thousand, two hundred one".

Divisors: 1 131 100925971 13221302201