Base | Representation |
---|---|
bin | 10010011111101… |
… | …111110011000010 |
3 | 210121220111012212 |
4 | 102133233303002 |
5 | 1113414442010 |
6 | 50443022122 |
7 | 10455416042 |
oct | 2237576302 |
9 | 717814185 |
10 | 310312130 |
11 | 14a188107 |
12 | 87b0a942 |
13 | 4c39b75b |
14 | 2d2d9722 |
15 | 1c399505 |
hex | 127efcc2 |
310312130 has 16 divisors (see below), whose sum is σ = 559428984. Its totient is φ = 123932160.
The previous prime is 310312099. The next prime is 310312133. The reversal of 310312130 is 31213013.
It can be written as a sum of positive squares in 4 ways, for example, as 268075129 + 42237001 = 16373^2 + 6499^2 .
It is not an unprimeable number, because it can be changed into a prime (310312133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17231 + ... + 30290.
Almost surely, 2310312130 is an apocalyptic number.
310312130 is a deficient number, since it is larger than the sum of its proper divisors (249116854).
310312130 is a wasteful number, since it uses less digits than its factorization.
310312130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48181.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 310312130 is about 17615.6785279478. The cubic root of 310312130 is about 677.0170157332.
Adding to 310312130 its reverse (31213013), we get a palindrome (341525143).
The spelling of 310312130 in words is "three hundred ten million, three hundred twelve thousand, one hundred thirty".
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