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13221104001 = 3721920292333
BaseRepresentation
bin11000101000000101…
…00000100110000001
31021010101211200010120
430110002200212001
5204034100312001
610023530050453
7645426346500
oct142402404601
937111750116
1013221104001
115674a72136
12268b879a29
131329137a81
148d5c82837
15525a79236
hex3140a0981

13221104001 has 48 divisors (see below), whose sum is σ = 21605371200. Its totient is φ = 7150695552.

The previous prime is 13221103997. The next prime is 13221104011. The reversal of 13221104001 is 10040112231.

It is not a de Polignac number, because 13221104001 - 22 = 13221103997 is a prime.

It is a super-3 number, since 3×132211040013 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13221104011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5665831 + ... + 5668163.

It is an arithmetic number, because the mean of its divisors is an integer number (450111900).

Almost surely, 213221104001 is an apocalyptic number.

It is an amenable number.

13221104001 is a deficient number, since it is larger than the sum of its proper divisors (8384267199).

13221104001 is a wasteful number, since it uses less digits than its factorization.

13221104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13221104001 its reverse (10040112231), we get a palindrome (23261216232).

The spelling of 13221104001 in words is "thirteen billion, two hundred twenty-one million, one hundred four thousand, one".

Divisors: 1 3 7 19 21 49 57 133 147 399 931 2029 2333 2793 6087 6999 14203 16331 38551 42609 44327 48993 99421 114317 115653 132981 269857 298263 310289 342951 809571 930867 1888999 2172023 4733657 5666997 6516069 14200971 33135599 89939483 99406797 231949193 269818449 629576381 695847579 1888729143 4407034667 13221104001