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204444131011 = 977953921937
BaseRepresentation
bin1011111001100111010…
…0011101111011000011
3201112201001200221011021
42332121310131323003
511322200144143021
6233530443130311
720525213304121
oct2763164357303
9645631627137
10204444131011
117978242264a
1233757b13997
1316381c640b3
149c76406911
1554b86c8c41
hex2f99d1dec3

204444131011 has 8 divisors (see below), whose sum is σ = 204684172560. Its totient is φ = 204204154368.

The previous prime is 204444130993. The next prime is 204444131051. The reversal of 204444131011 is 110131444402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204444131011 - 27 = 204444130883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204444131051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9308635 + ... + 9330571.

It is an arithmetic number, because the mean of its divisors is an integer number (25585521570).

Almost surely, 2204444131011 is an apocalyptic number.

204444131011 is a deficient number, since it is larger than the sum of its proper divisors (240041549).

204444131011 is an equidigital number, since it uses as much as digits as its factorization.

204444131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32453.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 204444131011 its reverse (110131444402), we get a palindrome (314575575413).

The spelling of 204444131011 in words is "two hundred four billion, four hundred forty-four million, one hundred thirty-one thousand, eleven".

Divisors: 1 977 9539 21937 9319603 21432449 209257043 204444131011