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13330221312 = 28317357059
BaseRepresentation
bin11000110101000101…
…10000100100000000
31021102000011101221110
430122202300210000
5204300014040222
610042424523320
7651223003662
oct143242604400
937360141843
1013330221312
115720620631
122700320540
131345921425
14906568532
1553043030c
hex31a8b0900

13330221312 has 36 divisors (see below), whose sum is σ = 35477830640. Its totient is φ = 4443406848.

The previous prime is 13330221293. The next prime is 13330221313. The reversal of 13330221312 is 21312203331.

It is not an unprimeable number, because it can be changed into a prime (13330221313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8677762 + ... + 8679297.

Almost surely, 213330221312 is an apocalyptic number.

13330221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13330221312 is an abundant number, since it is smaller than the sum of its proper divisors (22147609328).

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

13330221312 is an equidigital number, since it uses as much as digits as its factorization.

13330221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17357078 (or 17357064 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13330221312 its reverse (21312203331), we get a palindrome (34642424643).

The spelling of 13330221312 in words is "thirteen billion, three hundred thirty million, two hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 17357059 34714118 52071177 69428236 104142354 138856472 208284708 277712944 416569416 555425888 833138832 1110851776 1666277664 2221703552 3332555328 4443407104 6665110656 13330221312