Base | Representation |
---|---|
bin | 100000001111111… |
… | …0110001000011001 |
3 | 2210102010212102202 |
4 | 1000133312020121 |
5 | 4204003340014 |
6 | 255212535545 |
7 | 35546420240 |
oct | 10037661031 |
9 | 2712125382 |
10 | 1082090009 |
11 | 5058a2270 |
12 | 2624815b5 |
13 | 14324c960 |
14 | a39d9957 |
15 | 64ee93de |
hex | 407f6219 |
1082090009 has 32 divisors (see below), whose sum is σ = 1462702080. Its totient is φ = 773064000.
The previous prime is 1082090003. The next prime is 1082090011. The reversal of 1082090009 is 9000902801.
It is a cyclic number.
It is not a de Polignac number, because 1082090009 - 212 = 1082085913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1082090003) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147572 + ... + 154730.
It is an arithmetic number, because the mean of its divisors is an integer number (45709440).
Almost surely, 21082090009 is an apocalyptic number.
It is an amenable number.
1082090009 is a deficient number, since it is larger than the sum of its proper divisors (380612071).
1082090009 is a wasteful number, since it uses less digits than its factorization.
1082090009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7341.
The product of its (nonzero) digits is 1296, while the sum is 29.
The square root of 1082090009 is about 32895.1365554241. The cubic root of 1082090009 is about 1026.6469684172.
The spelling of 1082090009 in words is "one billion, eighty-two million, ninety thousand, nine".
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