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13420646313 = 36827655273
BaseRepresentation
bin11000111111110111…
…01100111110101001
31021122022022110201120
430133323230332221
5204441141140223
610055415005453
7653401416504
oct143773547651
937568273646
1013420646313
115767672238
122726669889
13135b591949
1491458613b
15538342be3
hex31feecfa9

13420646313 has 8 divisors (see below), whose sum is σ = 17896843488. Its totient is φ = 8945773344.

The previous prime is 13420646299. The next prime is 13420646347. The reversal of 13420646313 is 31364602431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13420646313 - 26 = 13420646249 is a prime.

It is a super-2 number, since 2×134206463132 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13420646353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307156 + ... + 348117.

It is an arithmetic number, because the mean of its divisors is an integer number (2237105436).

Almost surely, 213420646313 is an apocalyptic number.

It is an amenable number.

13420646313 is a deficient number, since it is larger than the sum of its proper divisors (4476197175).

13420646313 is an equidigital number, since it uses as much as digits as its factorization.

13420646313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662103.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 13420646313 in words is "thirteen billion, four hundred twenty million, six hundred forty-six thousand, three hundred thirteen".

Divisors: 1 3 6827 20481 655273 1965819 4473548771 13420646313