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13221211023132 = 2237613572565239
BaseRepresentation
bin1100000001100100110110…
…0101100010011100011100
31201210221020221001211110020
43000121031211202130130
53213104020010220012
644041423540312140
72533125635311110
oct300311545423434
951727227054406
1013221211023132
1142380a1a45582
1215964389a2650
1374b9a7535b48
14339ca518b740
1517dda9d3da8c
hexc064d96271c

13221211023132 has 48 divisors (see below), whose sum is σ = 35257151086080. Its totient is φ = 3777425825472.

The previous prime is 13221211023127. The next prime is 13221211023169. The reversal of 13221211023132 is 23132011212231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3871369 + ... + 6436607.

It is an arithmetic number, because the mean of its divisors is an integer number (734523980960).

Almost surely, 213221211023132 is an apocalyptic number.

13221211023132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13221211023132 is an abundant number, since it is smaller than the sum of its proper divisors (22035940062948).

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

13221211023132 is a wasteful number, since it uses less digits than its factorization.

13221211023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626610 (or 2626608 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13221211023132 its reverse (23132011212231), we get a palindrome (36353222235363).

The spelling of 13221211023132 in words is "thirteen trillion, two hundred twenty-one billion, two hundred eleven million, twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 61357 122714 184071 245428 368142 429499 736284 858998 1288497 1717996 2565239 2576994 5130478 5153988 7695717 10260956 15391434 17956673 30782868 35913346 53870019 71826692 107740038 215480076 157395369323 314790738646 472186107969 629581477292 944372215938 1101767585261 1888744431876 2203535170522 3305302755783 4407070341044 6610605511566 13221211023132