Base | Representation |
---|---|
bin | 10010011110101… |
… | …000100000001001 |
3 | 210121100122122010 |
4 | 102132220200021 |
5 | 1113331120410 |
6 | 50432450133 |
7 | 10453061463 |
oct | 2236504011 |
9 | 717318563 |
10 | 310020105 |
11 | 149aa876a |
12 | 879a9949 |
13 | 4c2c8865 |
14 | 2d261133 |
15 | 1c33cc20 |
hex | 127a8809 |
310020105 has 32 divisors (see below), whose sum is σ = 519183360. Its totient is φ = 157671360.
The previous prime is 310020097. The next prime is 310020127. The reversal of 310020105 is 501020013.
It is not a de Polignac number, because 310020105 - 23 = 310020097 is a prime.
It is a super-2 number, since 2×3100201052 = 192224931008422050, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129570 + ... + 131940.
It is an arithmetic number, because the mean of its divisors is an integer number (16224480).
Almost surely, 2310020105 is an apocalyptic number.
It is an amenable number.
310020105 is a deficient number, since it is larger than the sum of its proper divisors (209163255).
310020105 is a wasteful number, since it uses less digits than its factorization.
310020105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2781.
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 310020105 is about 17607.3877960361. The cubic root of 310020105 is about 676.8045759287.
Adding to 310020105 its reverse (501020013), we get a palindrome (811040118).
The spelling of 310020105 in words is "three hundred ten million, twenty thousand, one hundred five".
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