Base | Representation |
---|---|
bin | 10010100110001… |
… | …110100100100001 |
3 | 210202002210200111 |
4 | 102212032210201 |
5 | 1114333323131 |
6 | 50543251321 |
7 | 10506023116 |
oct | 2246164441 |
9 | 722083614 |
10 | 312011041 |
11 | 150138571 |
12 | 885a9b41 |
13 | 4c844b24 |
14 | 2d61c90d |
15 | 1c5d2ab1 |
hex | 1298e921 |
312011041 has 2 divisors, whose sum is σ = 312011042. Its totient is φ = 312011040.
The previous prime is 312011039. The next prime is 312011069. The reversal of 312011041 is 140110213.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 236390625 + 75620416 = 15375^2 + 8696^2 .
It is a cyclic number.
It is not a de Polignac number, because 312011041 - 21 = 312011039 is a prime.
Together with 312011039, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (312011341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156005520 + 156005521.
It is an arithmetic number, because the mean of its divisors is an integer number (156005521).
Almost surely, 2312011041 is an apocalyptic number.
It is an amenable number.
312011041 is a deficient number, since it is larger than the sum of its proper divisors (1).
312011041 is an equidigital number, since it uses as much as digits as its factorization.
312011041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 312011041 is about 17663.8342666591. The cubic root of 312011041 is about 678.2502890139.
Adding to 312011041 its reverse (140110213), we get a palindrome (452121254).
It can be divided in two parts, 3120 and 11041, that added together give a square (14161 = 1192).
The spelling of 312011041 in words is "three hundred twelve million, eleven thousand, forty-one".
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