Search a number
-
+
204026045071 = 1712001532063
BaseRepresentation
bin1011111000000011100…
…1100110001010001111
3201111121220222222001211
42332000321212022033
511320321131420241
6233421150115251
720511645524512
oct2760071461217
9644556888054
10204026045071
1179588424482
123365baabb27
131631645c674
149c36a94d79
155491b41781
hex2f80e6628f

204026045071 has 4 divisors (see below), whose sum is σ = 216027577152. Its totient is φ = 192024512992.

The previous prime is 204026045051. The next prime is 204026045077. The reversal of 204026045071 is 170540620402.

204026045071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170540620402 = 285270310201.

It is a cyclic number.

It is not a de Polignac number, because 204026045071 - 25 = 204026045039 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204026045077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6000766015 + ... + 6000766048.

It is an arithmetic number, because the mean of its divisors is an integer number (54006894288).

Almost surely, 2204026045071 is an apocalyptic number.

204026045071 is a deficient number, since it is larger than the sum of its proper divisors (12001532081).

204026045071 is a wasteful number, since it uses less digits than its factorization.

204026045071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001532080.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 204026045071 its reverse (170540620402), we get a palindrome (374566665473).

The spelling of 204026045071 in words is "two hundred four billion, twenty-six million, forty-five thousand, seventy-one".

Divisors: 1 17 12001532063 204026045071