Base | Representation |
---|---|
bin | 1100010110001110101… |
… | …1101111000110111110 |
3 | 202021112102010111122210 |
4 | 3011203223233012332 |
5 | 11433413201311123 |
6 | 241241012121250 |
7 | 21216450416055 |
oct | 3054353570676 |
9 | 667472114583 |
10 | 212125807038 |
11 | 81a64540532 |
12 | 35140606226 |
13 | 17007561b22 |
14 | a3a46cb39c |
15 | 57b7c95e93 |
hex | 3163aef1be |
212125807038 has 8 divisors (see below), whose sum is σ = 424251614088. Its totient is φ = 70708602344.
The previous prime is 212125807031. The next prime is 212125807051. The reversal of 212125807038 is 830708521212.
It is a sphenic number, since it is the product of 3 distinct primes.
212125807038 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 212125806987 and 212125807005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212125807031) by changing a digit.
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, 17677150581 + ... + 17677150592.
It is an arithmetic number, because the mean of its divisors is an integer number (53031451761).
Almost surely, 2212125807038 is an apocalyptic number.
212125807038 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.
212125807038 is a wasteful number, since it uses less digits than its factorization.
212125807038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35354301178.
The product of its (nonzero) digits is 53760, while the sum is 39.
The spelling of 212125807038 in words is "two hundred twelve billion, one hundred twenty-five million, eight hundred seven thousand, thirty-eight".
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