Base | Representation |
---|---|
bin | 1000001111001001111101… |
… | …10110110110010110110001 |
3 | 2101010120122100110001000000 |
4 | 10013210332312312112301 |
5 | 4333230241000344131 |
6 | 102304544350220213 |
7 | 3546421221516441 |
oct | 407447666662661 |
9 | 71116570401000 |
10 | 18112931653041 |
11 | 5853718795715 |
12 | 20464a81b4669 |
13 | a15071720804 |
14 | 468956086121 |
15 | 21625b543ce6 |
hex | 10793edb65b1 |
18112931653041 has 21 divisors (see below), whose sum is σ = 27157146631401. Its totient is φ = 12075211161972.
The previous prime is 18112931653039. The next prime is 18112931653049. The reversal of 18112931653041 is 14035613921181.
The square root of 18112931653041 is 4255929.
It is a perfect power (a square), and thus also a powerful number.
18112931653041 is a `hidden beast` number, since 1 + 8 + 1 + 1 + 29 + 316 + 5 + 304 + 1 = 666.
It is not a de Polignac number, because 18112931653041 - 21 = 18112931653039 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18112931653049) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 114831270 + ... + 114988896.
Almost surely, 218112931653041 is an apocalyptic number.
18112931653041 is the 4255929-th square number.
18112931653041 is the 2127965-th centered octagonal number.
It is an amenable number.
18112931653041 is a deficient number, since it is larger than the sum of its proper divisors (9044214978360).
18112931653041 is an frugal number, since it uses more digits than its factorization.
18112931653041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315272 (or 157630 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The spelling of 18112931653041 in words is "eighteen trillion, one hundred twelve billion, nine hundred thirty-one million, six hundred fifty-three thousand, forty-one".
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