Base | Representation |
---|---|
bin | 111111110101110… |
… | …000100010101111 |
3 | 2202122101100002102 |
4 | 333311300202233 |
5 | 4143142311241 |
6 | 254140245315 |
7 | 35353556240 |
oct | 7765604257 |
9 | 2678340072 |
10 | 1071057071 |
11 | 4aa647037 |
12 | 25a84083b |
13 | 140b88ba6 |
14 | a2366cc7 |
15 | 6406a39b |
hex | 3fd708af |
1071057071 has 8 divisors (see below), whose sum is σ = 1228423584. Its totient is φ = 914780160.
The previous prime is 1071057067. The next prime is 1071057083. The reversal of 1071057071 is 1707501701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1071057071 - 22 = 1071057067 is a prime.
It is a super-2 number, since 2×10710570712 = 2294326498678198082, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071057011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270290 + ... + 274223.
It is an arithmetic number, because the mean of its divisors is an integer number (153552948).
Almost surely, 21071057071 is an apocalyptic number.
1071057071 is a deficient number, since it is larger than the sum of its proper divisors (157366513).
1071057071 is an equidigital number, since it uses as much as digits as its factorization.
1071057071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 544801.
The product of its (nonzero) digits is 1715, while the sum is 29.
The square root of 1071057071 is about 32727.0082806235. The cubic root of 1071057071 is about 1023.1458276940.
Adding to 1071057071 its reverse (1707501701), we get a palindrome (2778558772).
The spelling of 1071057071 in words is "one billion, seventy-one million, fifty-seven thousand, seventy-one".
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