Base | Representation |
---|---|
bin | 10011000001011001… |
… | …11010101110100100 |
3 | 222100201021201110000 |
4 | 21200230322232210 |
5 | 131403323302322 |
6 | 4405205301300 |
7 | 511033210101 |
oct | 114054725644 |
9 | 28321251400 |
10 | 10212322212 |
11 | 4370653914 |
12 | 1b90104830 |
13 | c6999a311 |
14 | 6cc431aa8 |
15 | 3eb84d3ac |
hex | 260b3aba4 |
10212322212 has 60 divisors (see below), whose sum is σ = 28267456140. Its totient is φ = 3203864064.
The previous prime is 10212322193. The next prime is 10212322273. The reversal of 10212322212 is 21222321201.
It can be written as a sum of positive squares in 2 ways, for example, as 9353597796 + 858724416 = 96714^2 + 29304^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 921537 + ... + 932552.
It is an arithmetic number, because the mean of its divisors is an integer number (471124269).
Almost surely, 210212322212 is an apocalyptic number.
10212322212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10212322212 is an abundant number, since it is smaller than the sum of its proper divisors (18055133928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10212322212 is a wasteful number, since it uses less digits than its factorization.
10212322212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1854122 (or 1854111 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 10212322212 its reverse (21222321201), we get a palindrome (31434643413).
The spelling of 10212322212 in words is "ten billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twelve".
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