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13233203221 = 73617522659
BaseRepresentation
bin11000101001100001…
…01010100000010101
31021011020121101010211
430110300222200111
5204100200000341
610025041245421
7645634241260
oct142460524025
937136541124
1013233203221
115680886497
122693933871
13132b7b2c84
148d7711cd7
15526b69181
hex314c2a815

13233203221 has 8 divisors (see below), whose sum is σ = 15127871040. Its totient is φ = 11339587968.

The previous prime is 13233203219. The next prime is 13233203231. The reversal of 13233203221 is 12230233231.

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 13233203221 - 21 = 13233203219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13233203192 and 13233203201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233203231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236011 + ... + 286648.

It is an arithmetic number, because the mean of its divisors is an integer number (1890983880).

Almost surely, 213233203221 is an apocalyptic number.

It is an amenable number.

13233203221 is a deficient number, since it is larger than the sum of its proper divisors (1894667819).

13233203221 is an equidigital number, since it uses as much as digits as its factorization.

13233203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526283.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13233203221 its reverse (12230233231), we get a palindrome (25463436452).

The spelling of 13233203221 in words is "thirteen billion, two hundred thirty-three million, two hundred three thousand, two hundred twenty-one".

Divisors: 1 7 3617 25319 522659 3658613 1890457603 13233203221