Base | Representation |
---|---|
bin | 10010110100101110… |
… | …101010100100010001 |
3 | 1221011121110001000011 |
4 | 102310232222210101 |
5 | 312343233013131 |
6 | 13141341154521 |
7 | 1313605113511 |
oct | 226456524421 |
9 | 57147401004 |
10 | 20212001041 |
11 | 86321695a1 |
12 | 3b00b5ba41 |
13 | 1ba15a453b |
14 | d9a50d841 |
15 | 7d46960b1 |
hex | 4b4baa911 |
20212001041 has 4 divisors (see below), whose sum is σ = 20496677184. Its totient is φ = 19927324900.
The previous prime is 20212001039. The next prime is 20212001057. The reversal of 20212001041 is 14010021202.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20212001041 - 21 = 20212001039 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20212001011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142337965 + ... + 142338106.
It is an arithmetic number, because the mean of its divisors is an integer number (5124169296).
Almost surely, 220212001041 is an apocalyptic number.
It is an amenable number.
20212001041 is a deficient number, since it is larger than the sum of its proper divisors (284676143).
20212001041 is an equidigital number, since it uses as much as digits as its factorization.
20212001041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284676142.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20212001041 its reverse (14010021202), we get a palindrome (34222022243).
The spelling of 20212001041 in words is "twenty billion, two hundred twelve million, one thousand, forty-one".
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