Base | Representation |
---|---|
bin | 11001010010111… |
… | …11001000011010 |
3 | 112210021222102201 |
4 | 30221133020122 |
5 | 413310431020 |
6 | 33020120414 |
7 | 5154454516 |
oct | 1451371032 |
9 | 483258381 |
10 | 212202010 |
11 | a9867569 |
12 | 5b09610a |
13 | 34c6a227 |
14 | 2027b146 |
15 | 13969a0a |
hex | ca5f21a |
212202010 has 16 divisors (see below), whose sum is σ = 385747272. Its totient is φ = 84040000.
The previous prime is 212201989. The next prime is 212202017. The reversal of 212202010 is 10202212.
212202010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 180875601 + 31326409 = 13449^2 + 5597^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (212202017) 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, 104041 + ... + 106060.
Almost surely, 2212202010 is an apocalyptic number.
212202010 is a deficient number, since it is larger than the sum of its proper divisors (173545262).
212202010 is a wasteful number, since it uses less digits than its factorization.
212202010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210209.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 212202010 is about 14567.1551786888. The cubic root of 212202010 is about 596.4625273931.
Adding to 212202010 its reverse (10202212), we get a palindrome (222404222).
The spelling of 212202010 in words is "two hundred twelve million, two hundred two thousand, ten".
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