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200221203001 = 275097278389
BaseRepresentation
bin1011101001111000011…
…1010001101000111001
3201010210202111221222011
42322132013101220321
511240023111444001
6231551431125521
720315445100501
oct2723607215071
9633722457864
10200221203001
1177a057162a6
12329798138a1
1315b5b0bb321
149995622a01
15531cabad51
hex2e9e1d1a39

200221203001 has 4 divisors (see below), whose sum is σ = 200228508900. Its totient is φ = 200213897104.

The previous prime is 200221202971. The next prime is 200221203019. The reversal of 200221203001 is 100302122002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61613168400 + 138608034601 = 248220^2 + 372301^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221203001 - 211 = 200221200953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200221203041) 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, 3611686 + ... + 3666703.

It is an arithmetic number, because the mean of its divisors is an integer number (50057127225).

Almost surely, 2200221203001 is an apocalyptic number.

It is an amenable number.

200221203001 is a deficient number, since it is larger than the sum of its proper divisors (7305899).

200221203001 is an equidigital number, since it uses as much as digits as its factorization.

200221203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305898.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200221203001 its reverse (100302122002), we get a palindrome (300523325003).

The spelling of 200221203001 in words is "two hundred billion, two hundred twenty-one million, two hundred three thousand, one".

Divisors: 1 27509 7278389 200221203001