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13211221132 = 2219971819901
BaseRepresentation
bin11000100110111001…
…10011110010001100
31021002201020120101101
430103130303302030
5204024033034012
610022534152444
7645246345454
oct142334636214
937081216341
1013211221132
11566a431a7a
1226884b2724
131327087615
148d482cd64
15524c75d57
hex313733c8c

13211221132 has 48 divisors (see below), whose sum is σ = 24725690080. Its totient is φ = 6158592000.

The previous prime is 13211221123. The next prime is 13211221159. The reversal of 13211221132 is 23112211231.

13211221132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132112211322 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329382 + ... + 1339282.

Almost surely, 213211221132 is an apocalyptic number.

It is an amenable number.

13211221132 is a deficient number, since it is larger than the sum of its proper divisors (11514468948).

13211221132 is a wasteful number, since it uses less digits than its factorization.

13211221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202 (or 10200 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 13211221132 its reverse (23112211231), we get a palindrome (36323432363).

Subtracting 13211221132 from its reverse (23112211231), we obtain a palindrome (9900990099).

The spelling of 13211221132 in words is "thirteen billion, two hundred eleven million, two hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 97 181 194 362 388 724 1843 3439 3686 6878 7372 9901 13756 17557 19802 35114 39604 70228 188119 333583 376238 667166 752476 960397 1334332 1792081 1920794 3584162 3841588 7168324 18247543 34049539 36495086 68099078 72990172 136198156 173831857 347663714 695327428 3302805283 6605610566 13211221132