Base | Representation |
---|---|
bin | 11000010011110001… |
… | …10010110111000010 |
3 | 1020200112100120200111 |
4 | 30021320302313002 |
5 | 203212000111333 |
6 | 5555003341534 |
7 | 641260562332 |
oct | 141170626702 |
9 | 36615316614 |
10 | 13050785218 |
11 | 5597912109 |
12 | 26428218aa |
13 | 12cca73623 |
14 | 8bb3c90c2 |
15 | 515b344cd |
hex | 309e32dc2 |
13050785218 has 8 divisors (see below), whose sum is σ = 19583185212. Its totient is φ = 6523056816.
The previous prime is 13050785203. The next prime is 13050785311. The reversal of 13050785218 is 81258705031.
It can be written as a sum of positive squares in 2 ways, for example, as 12858879609 + 191905609 = 113397^2 + 13853^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160905 + ... + 1172092.
Almost surely, 213050785218 is an apocalyptic number.
13050785218 is a deficient number, since it is larger than the sum of its proper divisors (6532399994).
13050785218 is a wasteful number, since it uses less digits than its factorization.
13050785218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2335796.
The product of its (nonzero) digits is 67200, while the sum is 40.
The spelling of 13050785218 in words is "thirteen billion, fifty million, seven hundred eighty-five thousand, two hundred eighteen".
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