Base | Representation |
---|---|
bin | 1100010110100010110… |
… | …0111010010001110100 |
3 | 202021202021120000002010 |
4 | 3011220230322101310 |
5 | 11434101230013022 |
6 | 241253220444220 |
7 | 21221522150412 |
oct | 3055054722164 |
9 | 667667500063 |
10 | 212210001012 |
11 | 81aa8016729 |
12 | 35164849670 |
13 | 1701bb30149 |
14 | a3b19662b2 |
15 | 57c037750c |
hex | 3168b3a474 |
212210001012 has 48 divisors (see below), whose sum is σ = 527000124672. Its totient is φ = 66230722560.
The previous prime is 212210001001. The next prime is 212210001103. The reversal of 212210001012 is 210100012212.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655564 + ... + 2734307.
It is an arithmetic number, because the mean of its divisors is an integer number (10979169264).
Almost surely, 2212210001012 is an apocalyptic number.
It is an amenable number.
212210001012 is an abundant number, since it is smaller than the sum of its proper divisors (314790123660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212210001012 is a wasteful number, since it uses less digits than its factorization.
212210001012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5390088 (or 5390086 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 212210001012 its reverse (210100012212), we get a palindrome (422310013224).
The spelling of 212210001012 in words is "two hundred twelve billion, two hundred ten million, one thousand, twelve".
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