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13103103311212 = 2229391903158567
BaseRepresentation
bin1011111010101100110111…
…0100010111110101101100
31201101122101210120102012111
42332223031310113311230
53204140123421424322
643511252122213404
72521445054315425
oct276531564276554
951348353512174
1013103103311212
1141a1aa4249502
121577576954264
137408043b2085
1433429d2a264c
1517ac96071177
hexbeacdd17d6c

13103103311212 has 24 divisors (see below), whose sum is σ = 22939829902080. Its totient is φ = 6548866518480.

The previous prime is 13103103311197. The next prime is 13103103311213. The reversal of 13103103311212 is 21211330130131.

It is not an unprimeable number, because it can be changed into a prime (13103103311213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223699153 + ... + 223757719.

It is an arithmetic number, because the mean of its divisors is an integer number (955826245920).

Almost surely, 213103103311212 is an apocalyptic number.

It is an amenable number.

13103103311212 is a deficient number, since it is larger than the sum of its proper divisors (9836726590868).

13103103311212 is a wasteful number, since it uses less digits than its factorization.

13103103311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80541 (or 80539 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13103103311212 its reverse (21211330130131), we get a palindrome (34314433441343).

The spelling of 13103103311212 in words is "thirteen trillion, one hundred three billion, one hundred three million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 2939 5878 11756 19031 38062 58567 76124 117134 234268 55932109 111864218 172128413 223728436 344256826 688513652 1114588577 2229177154 4458354308 3275775827803 6551551655606 13103103311212