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2304221013 = 372947773
BaseRepresentation
bin1000100101010111…
…1001111101010101
312221120210120000000
42021111321331111
514204340033023
61020351241513
7111046361343
oct21125717525
95846716000
102304221013
11a82744396
12543819299
132a94c24b3
1417c04a993
15d7457243
hex89579f55

2304221013 has 64 divisors (see below), whose sum is σ = 3655756800. Its totient is φ = 1449741888.

The previous prime is 2304221009. The next prime is 2304221027. The reversal of 2304221013 is 3101224032.

2304221013 is a `hidden beast` number, since 230 + 422 + 1 + 0 + 13 = 666.

It is not a de Polignac number, because 2304221013 - 22 = 2304221009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304221093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2980495 + ... + 2981267.

It is an arithmetic number, because the mean of its divisors is an integer number (57121200).

Almost surely, 22304221013 is an apocalyptic number.

It is an amenable number.

2304221013 is a deficient number, since it is larger than the sum of its proper divisors (1351535787).

2304221013 is an frugal number, since it uses more digits than its factorization.

2304221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2304221013 is about 48002.3021635421. The cubic root of 2304221013 is about 1320.8131302010.

Adding to 2304221013 its reverse (3101224032), we get a palindrome (5405445045).

The spelling of 2304221013 in words is "two billion, three hundred four million, two hundred twenty-one thousand, thirteen".

Divisors: 1 3 9 27 29 47 81 87 141 243 261 423 729 773 783 1269 1363 2187 2319 2349 3807 4089 6957 7047 11421 12267 20871 21141 22417 34263 36331 36801 62613 63423 67251 102789 108993 110403 187839 201753 326979 331209 563517 605259 980937 993627 1053599 1690551 1815777 2942811 2980881 3160797 5447331 8828433 9482391 16341993 26485299 28447173 49025979 79455897 85341519 256024557 768073671 2304221013