Base | Representation |
---|---|
bin | 10000110110011100… |
… | …000011101110010010 |
3 | 1201200221112111100010 |
4 | 100312130003232102 |
5 | 244023324203010 |
6 | 12151211535350 |
7 | 1210236420054 |
oct | 206634035622 |
9 | 51627474303 |
10 | 18093194130 |
11 | 7745155600 |
12 | 360b45a556 |
13 | 192463033b |
14 | c38d698d4 |
15 | 70d666620 |
hex | 436703b92 |
18093194130 has 48 divisors (see below), whose sum is σ = 47730154752. Its totient is φ = 4386228000.
The previous prime is 18093194111. The next prime is 18093194131. The reversal of 18093194130 is 3149139081.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (18093194131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2488546 + ... + 2495805.
It is an arithmetic number, because the mean of its divisors is an integer number (994378224).
Almost surely, 218093194130 is an apocalyptic number.
18093194130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18093194130 is an abundant number, since it is smaller than the sum of its proper divisors (29636960622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18093194130 is a wasteful number, since it uses less digits than its factorization.
18093194130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4984383 (or 4984372 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 39.
The spelling of 18093194130 in words is "eighteen billion, ninety-three million, one hundred ninety-four thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •