Base | Representation |
---|---|
bin | 11110100011111110010… |
… | …010001001110101110100 |
3 | 21102210000021001002011021 |
4 | 132203332102021311310 |
5 | 233402212303242322 |
6 | 4244453453350524 |
7 | 304510111153120 |
oct | 36437622116564 |
9 | 7383007032137 |
10 | 2100210212212 |
11 | 73a76aa04492 |
12 | 29b050198444 |
13 | 123083795428 |
14 | 739177d0580 |
15 | 399708dc4c7 |
hex | 1e8fe489d74 |
2100210212212 has 12 divisors (see below), whose sum is σ = 4200420424480. Its totient is φ = 900090090936.
The previous prime is 2100210212207. The next prime is 2100210212273. The reversal of 2100210212212 is 2122120120012.
It is a happy number.
2100210212212 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37503753762 + ... + 37503753817.
Almost surely, 22100210212212 is an apocalyptic number.
It is an amenable number.
2100210212212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100210212212 is a wasteful number, since it uses less digits than its factorization.
2100210212212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75007507590 (or 75007507588 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 2100210212212 its reverse (2122120120012), we get a palindrome (4222330332224).
The spelling of 2100210212212 in words is "two trillion, one hundred billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".
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