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2000212001 = 4327462263
BaseRepresentation
bin111011100111000…
…1101000000100001
312011101202022000222
41313032031000201
513044023241001
6530251252425
7100365343604
oct16716150041
95141668028
102000212001
11937081977
12479a4a115
1325b51c9c8
1414d91233b
15ba90561b
hex7738d021

2000212001 has 4 divisors (see below), whose sum is σ = 2000678592. Its totient is φ = 1999745412.

The previous prime is 2000211973. The next prime is 2000212003. The reversal of 2000212001 is 1002120002.

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 2000212001 - 230 = 926470177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000212001.

It is not an unprimeable number, because it can be changed into a prime (2000212003) 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, 226805 + ... + 235458.

It is an arithmetic number, because the mean of its divisors is an integer number (500169648).

Almost surely, 22000212001 is an apocalyptic number.

It is an amenable number.

2000212001 is a deficient number, since it is larger than the sum of its proper divisors (466591).

2000212001 is an equidigital number, since it uses as much as digits as its factorization.

2000212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466590.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2000212001 is about 44723.7297304239. The cubic root of 2000212001 is about 1259.9655657424.

Adding to 2000212001 its reverse (1002120002), we get a palindrome (3002332003).

The spelling of 2000212001 in words is "two billion, two hundred twelve thousand, one".

Divisors: 1 4327 462263 2000212001