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13104221213 = 2913126912823
BaseRepresentation
bin11000011010001001…
…01000110000011101
31020211020220102002102
430031010220300131
5203314140034323
610004152534445
7642510020366
oct141504506035
936736812072
1013104221213
115614a9a396
1226586b1425
13130ab62965
148c4538b6d
1551a68c328
hex30d128c1d

13104221213 has 16 divisors (see below), whose sum is σ = 13711420800. Its totient is φ = 12508117440.

The previous prime is 13104221209. The next prime is 13104221243. The reversal of 13104221213 is 31212240131.

It is a cyclic number.

It is not a de Polignac number, because 13104221213 - 22 = 13104221209 is a prime.

It is a super-2 number, since 2×131042212132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104221243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015520 + ... + 1028342.

It is an arithmetic number, because the mean of its divisors is an integer number (856963800).

Almost surely, 213104221213 is an apocalyptic number.

It is an amenable number.

13104221213 is a deficient number, since it is larger than the sum of its proper divisors (607199587).

13104221213 is a wasteful number, since it uses less digits than its factorization.

13104221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13252.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13104221213 its reverse (31212240131), we get a palindrome (44316461344).

The spelling of 13104221213 in words is "thirteen billion, one hundred four million, two hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 29 131 269 3799 7801 12823 35239 371867 1021931 1679813 3449387 48714577 100032223 451869697 13104221213