Search a number
-
+
204330305451 = 3286123806397
BaseRepresentation
bin1011111001001100001…
…0010000011110101011
3201112102010111222211210
42332103002100132223
511321432024233301
6233511255324203
720522331640146
oct2762302203653
9645363458753
10204330305451
1179724148838
1233725980663
13163644bc6ac
149c6525705d
1554ad6e2ad6
hex2f930907ab

204330305451 has 8 divisors (see below), whose sum is σ = 272535644304. Its totient is φ = 136172585120.

The previous prime is 204330305449. The next prime is 204330305471. The reversal of 204330305451 is 154503033402.

204330305451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204330305451 - 21 = 204330305449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204330305401) 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 7 ways as a sum of consecutive naturals, for example, 11894616 + ... + 11911781.

It is an arithmetic number, because the mean of its divisors is an integer number (34066955538).

Almost surely, 2204330305451 is an apocalyptic number.

204330305451 is a deficient number, since it is larger than the sum of its proper divisors (68205338853).

204330305451 is a wasteful number, since it uses less digits than its factorization.

204330305451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23809261.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 204330305451 its reverse (154503033402), we get a palindrome (358833338853).

The spelling of 204330305451 in words is "two hundred four billion, three hundred thirty million, three hundred five thousand, four hundred fifty-one".

Divisors: 1 3 2861 8583 23806397 71419191 68110101817 204330305451