Base | Representation |
---|---|
bin | 10010011111010… |
… | …111011000100010 |
3 | 210121201102001011 |
4 | 102133113120202 |
5 | 1113403242010 |
6 | 50440531134 |
7 | 10454521354 |
oct | 2237273042 |
9 | 717642034 |
10 | 310212130 |
11 | 14a119a68 |
12 | 87a80aaa |
13 | 4c365097 |
14 | 2d2b10d4 |
15 | 1c379a8a |
hex | 127d7622 |
310212130 has 16 divisors (see below), whose sum is σ = 577636920. Its totient is φ = 119805952.
The previous prime is 310212121. The next prime is 310212131. The reversal of 310212130 is 31212013.
It can be written as a sum of positive squares in 4 ways, for example, as 273935601 + 36276529 = 16551^2 + 6023^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 310212130.
It is not an unprimeable number, because it can be changed into a prime (310212131) 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, 534559 + ... + 535138.
Almost surely, 2310212130 is an apocalyptic number.
310212130 is a deficient number, since it is larger than the sum of its proper divisors (267424790).
310212130 is a wasteful number, since it uses less digits than its factorization.
310212130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069733.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 310212130 is about 17612.8399186503. The cubic root of 310212130 is about 676.9442836153.
Adding to 310212130 its reverse (31212013), we get a palindrome (341424143).
The spelling of 310212130 in words is "three hundred ten million, two hundred twelve thousand, one hundred thirty".
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