Base | Representation |
---|---|
bin | 111111110110100… |
… | …100110011100001 |
3 | 2202122210012201210 |
4 | 333312210303201 |
5 | 4143221134022 |
6 | 254145020333 |
7 | 35355440316 |
oct | 7766446341 |
9 | 2678705653 |
10 | 1071271137 |
11 | 4aa782952 |
12 | 25a9246a9 |
13 | 140c32461 |
14 | a23c0d0d |
15 | 640ada0c |
hex | 3fda4ce1 |
1071271137 has 8 divisors (see below), whose sum is σ = 1429644736. Its totient is φ = 713539152.
The previous prime is 1071271109. The next prime is 1071271147. The reversal of 1071271137 is 7311721701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1071271137 - 26 = 1071271073 is a prime.
It is a super-2 number, since 2×10712711372 = 2295243697938545538, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1071271147) 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, 156493 + ... + 163194.
It is an arithmetic number, because the mean of its divisors is an integer number (178705592).
Almost surely, 21071271137 is an apocalyptic number.
It is an amenable number.
1071271137 is a deficient number, since it is larger than the sum of its proper divisors (358373599).
1071271137 is a wasteful number, since it uses less digits than its factorization.
1071271137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320807.
The product of its (nonzero) digits is 2058, while the sum is 30.
The square root of 1071271137 is about 32730.2785964312. The cubic root of 1071271137 is about 1023.2139865721.
Adding to 1071271137 its reverse (7311721701), we get a palindrome (8382992838).
The spelling of 1071271137 in words is "one billion, seventy-one million, two hundred seventy-one thousand, one hundred thirty-seven".
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