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13221301211 = 241261720963
BaseRepresentation
bin11000101000000110…
…10000101111011011
31021010102012200122122
430110003100233123
5204034123114321
610023534211455
7645431130446
oct142403205733
937112180578
1013221301211
115675097318
12268b953b8b
1313291a6771
148d5cd465d
15525ab78ab
hex3140d0bdb

13221301211 has 8 divisors (see below), whose sum is σ = 13281867984. Its totient is φ = 13160782080.

The previous prime is 13221301199. The next prime is 13221301213. The reversal of 13221301211 is 11210312231.

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

It is a cyclic number.

It is not a de Polignac number, because 13221301211 - 26 = 13221301147 is a prime.

It is a super-3 number, since 3×132213012113 (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 13221301211.

It is not an unprimeable number, because it can be changed into a prime (13221301213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620216 + ... + 641178.

It is an arithmetic number, because the mean of its divisors is an integer number (1660233498).

Almost surely, 213221301211 is an apocalyptic number.

13221301211 is a deficient number, since it is larger than the sum of its proper divisors (60566773).

13221301211 is a wasteful number, since it uses less digits than its factorization.

13221301211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23821.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13221301211 its reverse (11210312231), we get a palindrome (24431613442).

It can be divided in two parts, 13221 and 301211, that added together give a cube (314432 = 683).

The spelling of 13221301211 in words is "thirteen billion, two hundred twenty-one million, three hundred one thousand, two hundred eleven".

Divisors: 1 241 2617 20963 630697 5052083 54860171 13221301211