Base | Representation |
---|---|
bin | 10010100110001… |
… | …110100110000101 |
3 | 210202002210211012 |
4 | 102212032212011 |
5 | 1114333324031 |
6 | 50543252005 |
7 | 10506023321 |
oct | 2246164605 |
9 | 722083735 |
10 | 312011141 |
11 | 150138652 |
12 | 885aa005 |
13 | 4c844ba0 |
14 | 2d61c981 |
15 | 1c5d2b2b |
hex | 1298e985 |
312011141 has 16 divisors (see below), whose sum is σ = 355723200. Its totient is φ = 271289088.
The previous prime is 312011137. The next prime is 312011171. The reversal of 312011141 is 141110213.
It is a cyclic number.
It is not a de Polignac number, because 312011141 - 22 = 312011137 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312011111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40685 + ... + 47741.
It is an arithmetic number, because the mean of its divisors is an integer number (22232700).
Almost surely, 2312011141 is an apocalyptic number.
It is an amenable number.
312011141 is a deficient number, since it is larger than the sum of its proper divisors (43712059).
312011141 is a wasteful number, since it uses less digits than its factorization.
312011141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7268.
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 312011141 is about 17663.8370973014. The cubic root of 312011141 is about 678.2503614740.
Adding to 312011141 its reverse (141110213), we get a palindrome (453121354).
The spelling of 312011141 in words is "three hundred twelve million, eleven thousand, one hundred forty-one".
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