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20212001041 = 71284676071
BaseRepresentation
bin10010110100101110…
…101010100100010001
31221011121110001000011
4102310232222210101
5312343233013131
613141341154521
71313605113511
oct226456524421
957147401004
1020212001041
1186321695a1
123b00b5ba41
131ba15a453b
14d9a50d841
157d46960b1
hex4b4baa911

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".

Divisors: 1 71 284676071 20212001041