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13311223331212 = 224394182243181
BaseRepresentation
bin1100000110110100001010…
…1111001111100110001100
31202010112121001002212002101
43001231002233033212030
53221042341133044322
644151031440404444
72542463344306222
oct301550257174614
952115531085071
1013311223331212
114272292602934
1215ab979916724
13757320a773c1
143403a3970b12
151813c72ec327
hexc1b42bcf98c

13311223331212 has 24 divisors (see below), whose sum is σ = 23861707852752. Its totient is φ = 6493921492800.

The previous prime is 13311223331183. The next prime is 13311223331221. The reversal of 13311223331212 is 21213332211331.

13311223331212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 40959739 + ... + 41283442.

It is an arithmetic number, because the mean of its divisors is an integer number (994237827198).

Almost surely, 213311223331212 is an apocalyptic number.

It is an amenable number.

13311223331212 is a deficient number, since it is larger than the sum of its proper divisors (10550484521540).

13311223331212 is a wasteful number, since it uses less digits than its factorization.

13311223331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82244169 (or 82244167 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 13311223331212 its reverse (21213332211331), we get a palindrome (34524555542543).

The spelling of 13311223331212 in words is "thirteen trillion, three hundred eleven billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 941 1882 3764 40463 80926 161852 82243181 164486362 328972724 3536456783 7072913566 14145827132 77390833321 154781666642 309563333284 3327805832803 6655611665606 13311223331212