Base | Representation |
---|---|
bin | 10001000001101100… |
… | …110001011100001111 |
3 | 1202012010001011212101 |
4 | 101001230301130033 |
5 | 244420211000241 |
6 | 12222041215531 |
7 | 1215022333120 |
oct | 210154613417 |
9 | 52163034771 |
10 | 18282125071 |
11 | 7831868181 |
12 | 36627915a7 |
13 | 19548102b2 |
14 | c560aa047 |
15 | 720035e31 |
hex | 441b3170f |
18282125071 has 8 divisors (see below), whose sum is σ = 21993534080. Its totient is φ = 14845635288.
The previous prime is 18282125053. The next prime is 18282125077. The reversal of 18282125071 is 17052128281.
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 18282125071 - 27 = 18282124943 is a prime.
It is a super-2 number, since 2×182821250712 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 18282125071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18282125077) 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, 68729661 + ... + 68729926.
It is an arithmetic number, because the mean of its divisors is an integer number (2749191760).
Almost surely, 218282125071 is an apocalyptic number.
18282125071 is a deficient number, since it is larger than the sum of its proper divisors (3711409009).
18282125071 is a wasteful number, since it uses less digits than its factorization.
18282125071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137459613.
The product of its (nonzero) digits is 17920, while the sum is 37.
The spelling of 18282125071 in words is "eighteen billion, two hundred eighty-two million, one hundred twenty-five thousand, seventy-one".
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