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13321410205 = 51729218969
BaseRepresentation
bin11000110100000010…
…01001011010011101
31021101101120202101011
430122001021122131
5204240240111310
610041512015221
7651055055425
oct143201113235
937341522334
1013321410205
115716652724
1226b9391511
131343b57a5c
14905313485
1552e78e78a
hex31a04969d

13321410205 has 12 divisors (see below), whose sum is σ = 16981342740. Its totient is φ = 10030237184.

The previous prime is 13321410203. The next prime is 13321410211. The reversal of 13321410205 is 50201412331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4101377764 + 9220032441 = 64042^2 + 96021^2 .

It is not a de Polignac number, because 13321410205 - 21 = 13321410203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321410203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4608040 + ... + 4610929.

It is an arithmetic number, because the mean of its divisors is an integer number (1415111895).

Almost surely, 213321410205 is an apocalyptic number.

It is an amenable number.

13321410205 is a deficient number, since it is larger than the sum of its proper divisors (3659932535).

13321410205 is an equidigital number, since it uses as much as digits as its factorization.

13321410205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219008 (or 9218991 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13321410205 its reverse (50201412331), we get a palindrome (63522822536).

The spelling of 13321410205 in words is "thirteen billion, three hundred twenty-one million, four hundred ten thousand, two hundred five".

Divisors: 1 5 17 85 289 1445 9218969 46094845 156722473 783612365 2664282041 13321410205