Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0010110110100000110 |
3 | 202021021010010110011101 |
4 | 3011131130112310012 |
5 | 11433204401041240 |
6 | 241222352130314 |
7 | 21214036500655 |
oct | 3053534266406 |
9 | 667233113141 |
10 | 212021112070 |
11 | 81a10432669 |
12 | 3511153699a |
13 | 16cbb966341 |
14 | a39483719c |
15 | 57ad9b539a |
hex | 315d716d06 |
212021112070 has 32 divisors (see below), whose sum is σ = 400690476000. Its totient is φ = 80661858816.
The previous prime is 212021112067. The next prime is 212021112071. The reversal of 212021112070 is 70211120212.
212021112070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212021112071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5436595 + ... + 5475454.
It is an arithmetic number, because the mean of its divisors is an integer number (12521577375).
Almost surely, 2212021112070 is an apocalyptic number.
212021112070 is a deficient number, since it is larger than the sum of its proper divisors (188669363930).
212021112070 is a wasteful number, since it uses less digits than its factorization.
212021112070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10912152.
The product of its (nonzero) digits is 112, while the sum is 19.
Adding to 212021112070 its reverse (70211120212), we get a palindrome (282232232282).
The spelling of 212021112070 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, seventy".
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