Base | Representation |
---|---|
bin | 111111110110011… |
… | …010110010111001 |
3 | 2202122201010111021 |
4 | 333312122302321 |
5 | 4143213331022 |
6 | 254144102441 |
7 | 35355206635 |
oct | 7766326271 |
9 | 2678633437 |
10 | 1071230137 |
11 | 4aa75506a |
12 | 25a904a21 |
13 | 140c198b3 |
14 | a23addc5 |
15 | 640a17c7 |
hex | 3fd9acb9 |
1071230137 has 8 divisors (see below), whose sum is σ = 1090514880. Its totient is φ = 1051983120.
The previous prime is 1071230123. The next prime is 1071230161. The reversal of 1071230137 is 7310321701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1071230137 is a prime.
It is a super-2 number, since 2×10712301372 = 2295068012834077538, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1071230737) 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, 51348 + ... + 69130.
It is an arithmetic number, because the mean of its divisors is an integer number (136314360).
Almost surely, 21071230137 is an apocalyptic number.
It is an amenable number.
1071230137 is a deficient number, since it is larger than the sum of its proper divisors (19284743).
1071230137 is a wasteful number, since it uses less digits than its factorization.
1071230137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18863.
The product of its (nonzero) digits is 882, while the sum is 25.
The square root of 1071230137 is about 32729.6522590754. The cubic root of 1071230137 is about 1023.2009328246.
Adding to 1071230137 its reverse (7310321701), we get a palindrome (8381551838).
The spelling of 1071230137 in words is "one billion, seventy-one million, two hundred thirty thousand, one hundred thirty-seven".
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