Base | Representation |
---|---|
bin | 10010100111011… |
… | …000010010110011 |
3 | 210202200010220120 |
4 | 102213120102303 |
5 | 1114423004021 |
6 | 50553541323 |
7 | 10511421363 |
oct | 2247302263 |
9 | 722603816 |
10 | 312313011 |
11 | 15032442a |
12 | 88714843 |
13 | 4c91c3ca |
14 | 2d69a9a3 |
15 | 1c6422c6 |
hex | 129d84b3 |
312313011 has 8 divisors (see below), whose sum is σ = 418160640. Its totient is φ = 207337032.
The previous prime is 312313007. The next prime is 312313049. The reversal of 312313011 is 110313213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312313011 - 22 = 312313007 is a prime.
It is a super-2 number, since 2×3123130112 = 195078833679772242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (312313091) 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, 217075 + ... + 218508.
It is an arithmetic number, because the mean of its divisors is an integer number (52270080).
Almost surely, 2312313011 is an apocalyptic number.
312313011 is a deficient number, since it is larger than the sum of its proper divisors (105847629).
312313011 is a wasteful number, since it uses less digits than its factorization.
312313011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435825.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 312313011 is about 17672.3798906655. The cubic root of 312313011 is about 678.4690261471.
Adding to 312313011 its reverse (110313213), we get a palindrome (422626224).
The spelling of 312313011 in words is "three hundred twelve million, three hundred thirteen thousand, eleven".
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