Base | Representation |
---|---|
bin | 10010110100101110… |
… | …110111010110100100 |
3 | 1221011121112200211211 |
4 | 102310232313112210 |
5 | 312343241202122 |
6 | 13141342241204 |
7 | 1313605422265 |
oct | 226456672644 |
9 | 57147480754 |
10 | 20212053412 |
11 | 86321a4981 |
12 | 3b00b86204 |
13 | 1ba15c2325 |
14 | d9a52496c |
15 | 7d46a6877 |
hex | 4b4bb75a4 |
20212053412 has 12 divisors (see below), whose sum is σ = 35855629516. Its totient is φ = 9967587840.
The previous prime is 20212053397. The next prime is 20212053427. The reversal of 20212053412 is 21435021202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20212053397) and next prime (20212053427).
It can be written as a sum of positive squares in 2 ways, for example, as 6787123456 + 13424929956 = 82384^2 + 115866^2 .
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 34609389 + ... + 34609972.
Almost surely, 220212053412 is an apocalyptic number.
It is an amenable number.
20212053412 is a deficient number, since it is larger than the sum of its proper divisors (15643576104).
20212053412 is a wasteful number, since it uses less digits than its factorization.
20212053412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69219438 (or 69219436 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 20212053412 its reverse (21435021202), we get a palindrome (41647074614).
The spelling of 20212053412 in words is "twenty billion, two hundred twelve million, fifty-three thousand, four hundred twelve".
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