Base | Representation |
---|---|
bin | 10000110011111111… |
… | …011010111000110110 |
3 | 1201121002021100020112 |
4 | 100303333122320312 |
5 | 243432321214111 |
6 | 12143143503022 |
7 | 1206230410430 |
oct | 206377327066 |
9 | 51532240215 |
10 | 18052132406 |
11 | 7723a5a2a0 |
12 | 35b9757a72 |
13 | 1918c84469 |
14 | c3371b650 |
15 | 709c54e8b |
hex | 433fdae36 |
18052132406 has 96 divisors (see below), whose sum is σ = 35799998976. Its totient is φ = 6630624000.
The previous prime is 18052132403. The next prime is 18052132447. The reversal of 18052132406 is 60423125081.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18052132403) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5782526 + ... + 5785646.
It is an arithmetic number, because the mean of its divisors is an integer number (372916656).
Almost surely, 218052132406 is an apocalyptic number.
18052132406 is a deficient number, since it is larger than the sum of its proper divisors (17747866570).
18052132406 is a wasteful number, since it uses less digits than its factorization.
18052132406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3258 (or 3235 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
Adding to 18052132406 its reverse (60423125081), we get a palindrome (78475257487).
The spelling of 18052132406 in words is "eighteen billion, fifty-two million, one hundred thirty-two thousand, four hundred six".
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