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190398294479231 = 1792663339938333
BaseRepresentation
bin101011010010101010001110…
…101101010101000101111111
3220222010220021111201202001222
4223102222032231111011333
5144423441201341313411
61512535434033223555
755050552142103366
oct5322521655250577
9828126244652058
10190398294479231
1155737510618733
121943056b701bbb
138231636311607
1435034803767dd
151702a6ae504db
hexad2a8eb5517f

190398294479231 has 8 divisors (see below), whose sum is σ = 191469165796080. Its totient is φ = 189327503092672.

The previous prime is 190398294479209. The next prime is 190398294479257. The reversal of 190398294479231 is 132974492893091.

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

It is a cyclic number.

It is not a de Polignac number, because 190398294479231 - 230 = 190397220737407 is a prime.

It is a super-2 number, since 2×1903982944792312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190398294479291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15201860 + ... + 24736473.

It is an arithmetic number, because the mean of its divisors is an integer number (23933645724510).

Almost surely, 2190398294479231 is an apocalyptic number.

190398294479231 is a deficient number, since it is larger than the sum of its proper divisors (1070871316849).

190398294479231 is a wasteful number, since it uses less digits than its factorization.

190398294479231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39965145.

The product of its (nonzero) digits is 211631616, while the sum is 71.

The spelling of 190398294479231 in words is "one hundred ninety trillion, three hundred ninety-eight billion, two hundred ninety-four million, four hundred seventy-nine thousand, two hundred thirty-one".

Divisors: 1 179 26633 4767307 39938333 7148961607 1063677622789 190398294479231