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17431049194 = 213670424969
BaseRepresentation
bin10000001110111110…
…001011001111101010
31122222210121001020121
4100032332023033222
5241144322033234
612001355513454
71154646321256
oct201676131752
948883531217
1017431049194
117435411289
12346575888a
13184a3b63c0
14bb5047266
156c04704b4
hex40ef8b3ea

17431049194 has 8 divisors (see below), whose sum is σ = 28157848740. Its totient is φ = 8045099616.

The previous prime is 17431049147. The next prime is 17431049197. The reversal of 17431049194 is 49194013471.

It can be written as a sum of positive squares in 2 ways, for example, as 14625757969 + 2805291225 = 120937^2 + 52965^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 17431049194.

It is not an unprimeable number, because it can be changed into a prime (17431049197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335212459 + ... + 335212510.

Almost surely, 217431049194 is an apocalyptic number.

17431049194 is a deficient number, since it is larger than the sum of its proper divisors (10726799546).

17431049194 is a wasteful number, since it uses less digits than its factorization.

17431049194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670424984.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 17431049194 in words is "seventeen billion, four hundred thirty-one million, forty-nine thousand, one hundred ninety-four".

Divisors: 1 2 13 26 670424969 1340849938 8715524597 17431049194