Base | Representation |
---|---|
bin | 10000111101001010… |
… | …101010100111001111 |
3 | 1201222210221110020210 |
4 | 100331022222213033 |
5 | 244241223402333 |
6 | 12210323213503 |
7 | 1213110041601 |
oct | 207512524717 |
9 | 51883843223 |
10 | 18206075343 |
11 | 77a2944965 |
12 | 3641217293 |
13 | 1941b33c61 |
14 | c49d51171 |
15 | 718512a63 |
hex | 43d2aa9cf |
18206075343 has 32 divisors (see below), whose sum is σ = 25868113920. Its totient is φ = 11370885120.
The previous prime is 18206075333. The next prime is 18206075369. The reversal of 18206075343 is 34357060281.
It is not a de Polignac number, because 18206075343 - 222 = 18201881039 is a prime.
It is a super-2 number, since 2×182060753432 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18206075333) 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 31 ways as a sum of consecutive naturals, for example, 431743 + ... + 472031.
It is an arithmetic number, because the mean of its divisors is an integer number (808378560).
Almost surely, 218206075343 is an apocalyptic number.
18206075343 is a deficient number, since it is larger than the sum of its proper divisors (7662038577).
18206075343 is a wasteful number, since it uses less digits than its factorization.
18206075343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40479.
The product of its (nonzero) digits is 120960, while the sum is 39.
It can be divided in two parts, 182060 and 75343, that added together give a triangular number (257403 = T717).
The spelling of 18206075343 in words is "eighteen billion, two hundred six million, seventy-five thousand, three hundred forty-three".
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