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13422130221 = 36276171287
BaseRepresentation
bin11001000000000010…
…10111010000101101
31021122102002212021010
430200001113100231
5204442031131341
610055510455433
7653420136663
oct144001272055
937572085233
1013422130221
115768496105
122727064579
13135b9911b6
14914850c33
15538537716
hex32005742d

13422130221 has 8 divisors (see below), whose sum is σ = 17896709824. Its totient is φ = 8947818720.

The previous prime is 13422130213. The next prime is 13422130223. The reversal of 13422130221 is 12203122431.

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

It is not a de Polignac number, because 13422130221 - 23 = 13422130213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422130223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152640 + ... + 223926.

It is an arithmetic number, because the mean of its divisors is an integer number (2237088728).

Almost surely, 213422130221 is an apocalyptic number.

It is an amenable number.

13422130221 is a deficient number, since it is larger than the sum of its proper divisors (4474579603).

13422130221 is an equidigital number, since it uses as much as digits as its factorization.

13422130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134051.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13422130221 its reverse (12203122431), we get a palindrome (25625252652).

The spelling of 13422130221 in words is "thirteen billion, four hundred twenty-two million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 62761 71287 188283 213861 4474043407 13422130221