Base | Representation |
---|---|
bin | 10011001101010010… |
… | …10001101111101100 |
3 | 222121122220110110221 |
4 | 21212221101233230 |
5 | 132104334444322 |
6 | 4423130341124 |
7 | 513353550640 |
oct | 114651215754 |
9 | 28548813427 |
10 | 10312031212 |
11 | 441196674a |
12 | 1bb958a7a4 |
13 | c8453b522 |
14 | 6db788c20 |
15 | 4054969c7 |
hex | 266a51bec |
10312031212 has 24 divisors (see below), whose sum is σ = 20962165280. Its totient is φ = 4346991360.
The previous prime is 10312031179. The next prime is 10312031293. The reversal of 10312031212 is 21213021301.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017037 + ... + 3020452.
Almost surely, 210312031212 is an apocalyptic number.
It is an amenable number.
10312031212 is an abundant number, since it is smaller than the sum of its proper divisors (10650134068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10312031212 is a wasteful number, since it uses less digits than its factorization.
10312031212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6037561 (or 6037559 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 10312031212 its reverse (21213021301), we get a palindrome (31525052513).
The spelling of 10312031212 in words is "ten billion, three hundred twelve million, thirty-one thousand, two hundred twelve".
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