Base | Representation |
---|---|
bin | 10010100010011… |
… | …010011110000001 |
3 | 210200020000011101 |
4 | 102202122132001 |
5 | 1114104324301 |
6 | 50510014401 |
7 | 10464360124 |
oct | 2242323601 |
9 | 720200141 |
10 | 311011201 |
11 | 14a615356 |
12 | 881a7401 |
13 | 4c5849c7 |
14 | 2d43c3bb |
15 | 1c486701 |
hex | 1289a781 |
311011201 has 8 divisors (see below), whose sum is σ = 313165664. Its totient is φ = 308862720.
The previous prime is 311011177. The next prime is 311011213. The reversal of 311011201 is 102110113.
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 311011201 - 213 = 311003009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311011291) 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, 155530 + ... + 157516.
It is an arithmetic number, because the mean of its divisors is an integer number (39145708).
Almost surely, 2311011201 is an apocalyptic number.
It is an amenable number.
311011201 is a deficient number, since it is larger than the sum of its proper divisors (2154463).
311011201 is a wasteful number, since it uses less digits than its factorization.
311011201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2991.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 311011201 is about 17635.5096609086. The cubic root of 311011201 is about 677.5250289633.
Adding to 311011201 its reverse (102110113), we get a palindrome (413121314).
The spelling of 311011201 in words is "three hundred eleven million, eleven thousand, two hundred one".
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