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17274427213 = 41421327493
BaseRepresentation
bin10000000101101000…
…101101011101001101
31122120212212211021111
4100011220231131031
5240334223132323
611534042532021
71151035131361
oct200550553515
948525784244
1017274427213
117364a6692a
123421207011
131823b09384
14b9c3172a1
156b1833c0d
hex405a2d74d

17274427213 has 4 divisors (see below), whose sum is σ = 17695754748. Its totient is φ = 16853099680.

The previous prime is 17274427211. The next prime is 17274427223. The reversal of 17274427213 is 31272447271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 726949444 + 16547477769 = 26962^2 + 128637^2 .

It is a cyclic number.

It is not a de Polignac number, because 17274427213 - 21 = 17274427211 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17274427211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210663706 + ... + 210663787.

It is an arithmetic number, because the mean of its divisors is an integer number (4423938687).

Almost surely, 217274427213 is an apocalyptic number.

It is an amenable number.

17274427213 is a deficient number, since it is larger than the sum of its proper divisors (421327535).

17274427213 is an equidigital number, since it uses as much as digits as its factorization.

17274427213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421327534.

The product of its digits is 131712, while the sum is 40.

The spelling of 17274427213 in words is "seventeen billion, two hundred seventy-four million, four hundred twenty-seven thousand, two hundred thirteen".

Divisors: 1 41 421327493 17274427213