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13200022241 = 721272121167
BaseRepresentation
bin11000100101100100…
…00101101011100001
31021001221011121101122
430102302011223201
5204013201202431
610021454142025
7645052223600
oct142262055341
937057147348
1013200022241
11566408309a
1226847b1915
131324966163
148d3155a37
15523cb2a7b
hex312c85ae1

13200022241 has 12 divisors (see below), whose sum is σ = 15476041728. Its totient is φ = 11225210472.

The previous prime is 13200022229. The next prime is 13200022289. The reversal of 13200022241 is 14222000231.

It is a de Polignac number, because none of the positive numbers 2k-13200022241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13200022291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054361 + ... + 1066806.

It is an arithmetic number, because the mean of its divisors is an integer number (1289670144).

Almost surely, 213200022241 is an apocalyptic number.

It is an amenable number.

13200022241 is a deficient number, since it is larger than the sum of its proper divisors (2276019487).

13200022241 is a wasteful number, since it uses less digits than its factorization.

13200022241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121308 (or 2121301 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 13200022241 its reverse (14222000231), we get a palindrome (27422022472).

The spelling of 13200022241 in words is "thirteen billion, two hundred million, twenty-two thousand, two hundred forty-one".

Divisors: 1 7 49 127 889 6223 2121167 14848169 103937183 269388209 1885717463 13200022241