Base | Representation |
---|---|
bin | 10011000001011000… |
… | …01011111000001000 |
3 | 222100200220222012121 |
4 | 21200230023320020 |
5 | 131403301132222 |
6 | 4405201221024 |
7 | 511031450446 |
oct | 114054137010 |
9 | 28320828177 |
10 | 10212130312 |
11 | 437053271a |
12 | 1b90031774 |
13 | c69930b77 |
14 | 6cc3c1b96 |
15 | 3eb8115c7 |
hex | 260b0be08 |
10212130312 has 32 divisors (see below), whose sum is σ = 19633411800. Its totient is φ = 4977782784.
The previous prime is 10212130237. The next prime is 10212130319. The reversal of 10212130312 is 21303121201.
It can be written as a sum of positive squares in 4 ways, for example, as 9895076676 + 317053636 = 99474^2 + 17806^2 .
It is not an unprimeable number, because it can be changed into a prime (10212130319) 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 7 ways as a sum of consecutive naturals, for example, 10137 + ... + 143272.
Almost surely, 210212130312 is an apocalyptic number.
It is an amenable number.
10212130312 is a deficient number, since it is larger than the sum of its proper divisors (9421281488).
10212130312 is a wasteful number, since it uses less digits than its factorization.
10212130312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153625 (or 153621 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 10212130312 its reverse (21303121201), we get a palindrome (31515251513).
The spelling of 10212130312 in words is "ten billion, two hundred twelve million, one hundred thirty thousand, three hundred twelve".
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