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204305264331 = 37194311907983
BaseRepresentation
bin1011111001000110001…
…0101110111011001011
3201112100101101202212220
42332101202232323023
511321404121424311
6233505002505123
720521606044030
oct2762142567313
9645311352786
10204305264331
1179710aa4aa3
12337195051a3
131635c26286c
149c61bb9387
1554ab3e8206
hex2f918aeecb

204305264331 has 32 divisors (see below), whose sum is σ = 335328829440. Its totient is φ = 108029212704.

The previous prime is 204305264327. The next prime is 204305264333. The reversal of 204305264331 is 133462503402.

It is a happy number.

It is not a de Polignac number, because 204305264331 - 22 = 204305264327 is a prime.

It is a super-2 number, since 2×2043052643312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204305264292 and 204305264301.

It is not an unprimeable number, because it can be changed into a prime (204305264333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5936835 + ... + 5971148.

It is an arithmetic number, because the mean of its divisors is an integer number (10479025920).

Almost surely, 2204305264331 is an apocalyptic number.

204305264331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204305264331 is a deficient number, since it is larger than the sum of its proper divisors (131023565109).

204305264331 is a wasteful number, since it uses less digits than its factorization.

204305264331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908055.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 204305264331 its reverse (133462503402), we get a palindrome (337767767733).

The spelling of 204305264331 in words is "two hundred four billion, three hundred five million, two hundred sixty-four thousand, three hundred thirty-one".

Divisors: 1 3 7 19 21 43 57 129 133 301 399 817 903 2451 5719 17157 11907983 35723949 83355881 226251677 250067643 512043269 678755031 1536129807 1583761739 3584302883 4751285217 9728822111 10752908649 29186466333 68101754777 204305264331