Base | Representation |
---|---|
bin | 111100001001010… |
… | …010010001001001 |
3 | 2121022201220210212 |
4 | 330021102101021 |
5 | 4031310121311 |
6 | 244043450505 |
7 | 34001633351 |
oct | 7411222111 |
9 | 2538656725 |
10 | 1009067081 |
11 | 478657040 |
12 | 241b26a35 |
13 | 131093219 |
14 | 9802bb61 |
15 | 5d8c2c8b |
hex | 3c252449 |
1009067081 has 8 divisors (see below), whose sum is σ = 1136310528. Its totient is φ = 887742000.
The previous prime is 1009067057. The next prime is 1009067089. The reversal of 1009067081 is 1807609001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1009067081 - 210 = 1009066057 is a prime.
It is a super-2 number, since 2×10090670812 = 2036432747915721122, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1009067089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479230 + ... + 1479911.
It is an arithmetic number, because the mean of its divisors is an integer number (142038816).
Almost surely, 21009067081 is an apocalyptic number.
1009067081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1009067081 is a deficient number, since it is larger than the sum of its proper divisors (127243447).
1009067081 is a wasteful number, since it uses less digits than its factorization.
1009067081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2959183.
The product of its (nonzero) digits is 3024, while the sum is 32.
The square root of 1009067081 is about 31765.8162338071. The cubic root of 1009067081 is about 1003.0132714088.
The spelling of 1009067081 in words is "one billion, nine million, sixty-seven thousand, eighty-one".
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