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204023111313 = 37172203925931
BaseRepresentation
bin1011111000000010111…
…0011001111010010001
3201111121201110220201010
42332000232121322101
511320314404030223
6233421003201133
720511611555340
oct2760056317221
9644551426633
10204023111313
117958680028a
123365ab161a9
1316315973208
149c3652db57
155491762393
hex2f80b99e91

204023111313 has 32 divisors (see below), whose sum is σ = 329207777280. Its totient is φ = 109717505280.

The previous prime is 204023111287. The next prime is 204023111353. The reversal of 204023111313 is 313111320402.

204023111313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204023111313 - 26 = 204023111249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 204023111313.

It is not an unprimeable number, because it can be changed into a prime (204023111353) 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 31 ways as a sum of consecutive naturals, for example, 7854958 + ... + 7880888.

It is an arithmetic number, because the mean of its divisors is an integer number (10287743040).

Almost surely, 2204023111313 is an apocalyptic number.

It is an amenable number.

204023111313 is a deficient number, since it is larger than the sum of its proper divisors (125184665967).

204023111313 is a wasteful number, since it uses less digits than its factorization.

204023111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47997.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 204023111313 its reverse (313111320402), we get a palindrome (517134431715).

The spelling of 204023111313 in words is "two hundred four billion, twenty-three million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 3 7 17 21 51 119 357 22039 25931 66117 77793 154273 181517 374663 440827 462819 544551 1123989 1322481 2622641 3085789 7867923 9257367 571493309 1714479927 4000453163 9715386253 12001359489 29146158759 68007703771 204023111313