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202242020441 = 427094735349
BaseRepresentation
bin1011110001011010010…
…0000101010001011001
3201100000121001010100112
42330112210011101121
511303142424123231
6232524140214105
720416513544516
oct2742644052131
9640017033315
10202242020441
117885239135a
123324253a335
13160c0973ba6
149b07b7a30d
1553da1e192b
hex2f16905459

202242020441 has 4 divisors (see below), whose sum is σ = 202246798500. Its totient is φ = 202237242384.

The previous prime is 202242020423. The next prime is 202242020447. The reversal of 202242020441 is 144020242202.

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 85028227216 + 117213793225 = 291596^2 + 342365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202242020441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202242020447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324966 + ... + 2410383.

It is an arithmetic number, because the mean of its divisors is an integer number (50561699625).

Almost surely, 2202242020441 is an apocalyptic number.

It is an amenable number.

202242020441 is a deficient number, since it is larger than the sum of its proper divisors (4778059).

202242020441 is an equidigital number, since it uses as much as digits as its factorization.

202242020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778058.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 202242020441 its reverse (144020242202), we get a palindrome (346262262643).

The spelling of 202242020441 in words is "two hundred two billion, two hundred forty-two million, twenty thousand, four hundred forty-one".

Divisors: 1 42709 4735349 202242020441