Base | Representation |
---|---|
bin | 100101100011010… |
… | …0001001111010000 |
3 | 10020210220122100101 |
4 | 1023012201033100 |
5 | 10040030001313 |
6 | 325010102144 |
7 | 43136552665 |
oct | 11306411720 |
9 | 3223818311 |
10 | 1260000208 |
11 | 597267895 |
12 | 2b1b7a954 |
13 | 17107156c |
14 | bd4aba6c |
15 | 7593d5dd |
hex | 4b1a13d0 |
1260000208 has 20 divisors (see below), whose sum is σ = 2520001408. Its totient is φ = 609677280.
The previous prime is 1260000199. The next prime is 1260000227. The reversal of 1260000208 is 8020000621.
It is a happy number.
1260000208 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269666 + ... + 1270657.
Almost surely, 21260000208 is an apocalyptic number.
It is an amenable number.
1260000208 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1260000208 is a wasteful number, since it uses less digits than its factorization.
1260000208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2540362 (or 2540356 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1260000208 is about 35496.4816284657. The cubic root of 1260000208 is about 1080.0823576884.
Adding to 1260000208 its reverse (8020000621), we get a palindrome (9280000829).
The spelling of 1260000208 in words is "one billion, two hundred sixty million, two hundred eight", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •