Base | Representation |
---|---|
bin | 111110101001010… |
… | …0100100001110100 |
3 | 12102111022200122110 |
4 | 1331102210201310 |
5 | 13301104121322 |
6 | 544325331020 |
7 | 103042606545 |
oct | 17522444164 |
9 | 5374280573 |
10 | 2102020212 |
11 | 989598996 |
12 | 4a7b66a70 |
13 | 276647556 |
14 | 15d2544cc |
15 | c4815c0c |
hex | 7d4a4874 |
2102020212 has 24 divisors (see below), whose sum is σ = 4977920416. Its totient is φ = 690215328.
The previous prime is 2102020211. The next prime is 2102020247. The reversal of 2102020212 is 2120202012.
It is a super-3 number, since 3×21020202123 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102020211) 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, 1306423 + ... + 1308030.
Almost surely, 22102020212 is an apocalyptic number.
It is an amenable number.
2102020212 is an abundant number, since it is smaller than the sum of its proper divisors (2875900204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102020212 is a wasteful number, since it uses less digits than its factorization.
2102020212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2614527 (or 2614525 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2102020212 is about 45847.7939709208. The cubic root of 2102020212 is about 1280.9896748694.
Adding to 2102020212 its reverse (2120202012), we get a palindrome (4222222224).
The spelling of 2102020212 in words is "two billion, one hundred two million, twenty thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •