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13221300232 = 237619381413
BaseRepresentation
bin11000101000000110…
…10000100000001000
31021010102012122022101
430110003100200020
5204034123101412
610023534203144
7645431124550
oct142403204010
937112178271
1013221300232
115675096608
12268b9534b4
1313291a619a
148d5cd4160
15525ab7457
hex3140d0808

13221300232 has 32 divisors (see below), whose sum is σ = 28377201600. Its totient is φ = 5657102784.

The previous prime is 13221300193. The next prime is 13221300277. The reversal of 13221300232 is 23200312231.

It is a super-3 number, since 3×132213002323 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156043 + ... + 225370.

It is an arithmetic number, because the mean of its divisors is an integer number (886787550).

Almost surely, 213221300232 is an apocalyptic number.

It is an amenable number.

13221300232 is an abundant number, since it is smaller than the sum of its proper divisors (15155901368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221300232 is a wasteful number, since it uses less digits than its factorization.

13221300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382045 (or 382041 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13221300232 its reverse (23200312231), we get a palindrome (36421612463).

The spelling of 13221300232 in words is "thirteen billion, two hundred twenty-one million, three hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 619 1238 2476 4333 4952 8666 17332 34664 381413 762826 1525652 2669891 3051304 5339782 10679564 21359128 236094647 472189294 944378588 1652662529 1888757176 3305325058 6610650116 13221300232