Base | Representation |
---|---|
bin | 101011010010101010001110… |
… | …101101010101000101111111 |
3 | 220222010220021111201202001222 |
4 | 223102222032231111011333 |
5 | 144423441201341313411 |
6 | 1512535434033223555 |
7 | 55050552142103366 |
oct | 5322521655250577 |
9 | 828126244652058 |
10 | 190398294479231 |
11 | 55737510618733 |
12 | 1943056b701bbb |
13 | 8231636311607 |
14 | 35034803767dd |
15 | 1702a6ae504db |
hex | ad2a8eb5517f |
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".
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