Base | Representation |
---|---|
bin | 10011000001011001… |
… | …11001010000111100 |
3 | 222100201021102020002 |
4 | 21200230321100330 |
5 | 131403323104340 |
6 | 4405205213432 |
7 | 511033153451 |
oct | 114054712074 |
9 | 28321242202 |
10 | 10212316220 |
11 | 437064a367 |
12 | 1b90101278 |
13 | c69997682 |
14 | 6cc42d828 |
15 | 3eb84b715 |
hex | 260b3943c |
10212316220 has 48 divisors (see below), whose sum is σ = 21895765248. Its totient is φ = 3999836160.
The previous prime is 10212316217. The next prime is 10212316229. The reversal of 10212316220 is 2261321201.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 10212316192 and 10212316201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10212316229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253292 + ... + 290828.
It is an arithmetic number, because the mean of its divisors is an integer number (456161776).
Almost surely, 210212316220 is an apocalyptic number.
10212316220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10212316220 is an abundant number, since it is smaller than the sum of its proper divisors (11683449028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10212316220 is a wasteful number, since it uses less digits than its factorization.
10212316220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37830 (or 37828 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 10212316220 its reverse (2261321201), we get a palindrome (12473637421).
The spelling of 10212316220 in words is "ten billion, two hundred twelve million, three hundred sixteen thousand, two hundred twenty".
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