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200000120101 = 227497879133
BaseRepresentation
bin1011101001000011101…
…1111010010100100101
3201010020100111210020121
42322100323322110211
511234100012320401
6231513452401541
720310121654105
oct2722073722445
9633210453217
10200000120101
1177901943461
12329177762b1
1315b24361a42
149974113205
155308499ca1
hex2e90efa525

200000120101 has 4 divisors (see below), whose sum is σ = 200001226732. Its totient is φ = 199999013472.

The previous prime is 200000120093. The next prime is 200000120113. The reversal of 200000120101 is 101021000002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12740539876 + 187259580225 = 112874^2 + 432735^2 .

It is a cyclic number.

It is not a de Polignac number, because 200000120101 - 23 = 200000120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000120191) 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, 212070 + ... + 667063.

It is an arithmetic number, because the mean of its divisors is an integer number (50000306683).

Almost surely, 2200000120101 is an apocalyptic number.

It is an amenable number.

200000120101 is a deficient number, since it is larger than the sum of its proper divisors (1106631).

200000120101 is an equidigital number, since it uses as much as digits as its factorization.

200000120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106630.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 200000120101 its reverse (101021000002), we get a palindrome (301021120103).

The spelling of 200000120101 in words is "two hundred billion, one hundred twenty thousand, one hundred one".

Divisors: 1 227497 879133 200000120101