Base | Representation |
---|---|
bin | 1000001110111100101010… |
… | …11100001101100011000110 |
3 | 2101002220012221100122110000 |
4 | 10013132111130031203012 |
5 | 4333121131323301400 |
6 | 102301404225142130 |
7 | 3546046314464514 |
oct | 407362534154306 |
9 | 71086187318400 |
10 | 18105794353350 |
11 | 5850695993830 |
12 | 2045035a8a946 |
13 | a144a4b44662 |
14 | 46847a1c94b4 |
15 | 215e8eb58600 |
hex | 10779570d8c6 |
18105794353350 has 240 divisors, whose sum is σ = 55159283280816. Its totient is φ = 4367000736000.
The previous prime is 18105794353349. The next prime is 18105794353391. The reversal of 18105794353350 is 5335349750181.
18105794353350 is a `hidden beast` number, since 1 + 8 + 1 + 0 + 57 + 9 + 4 + 3 + 533 + 50 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7744840 + ... + 9807860.
Almost surely, 218105794353350 is an apocalyptic number.
18105794353350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 18105794353350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27579641640408).
18105794353350 is an abundant number, since it is smaller than the sum of its proper divisors (37053488927466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18105794353350 is a wasteful number, since it uses less digits than its factorization.
18105794353350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2063253 (or 2063239 counting only the distinct ones).
The product of its (nonzero) digits is 6804000, while the sum is 54.
The spelling of 18105794353350 in words is "eighteen trillion, one hundred five billion, seven hundred ninety-four million, three hundred fifty-three thousand, three hundred fifty".
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