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11303230020 = 2235883213349
BaseRepresentation
bin10101000011011100…
…11001101001000100
31002011202000120121220
422201232121221010
5141122111330040
65105335240340
7550050604245
oct124156315104
932152016556
1011303230020
114880419015
1222355190b0
1310b19b66b4
14793284ccc
154624da2d0
hex2a1b99a44

11303230020 has 48 divisors (see below), whose sum is σ = 31685035200. Its totient is φ = 3010766976.

The previous prime is 11303229967. The next prime is 11303230021. The reversal of 11303230020 is 2003230311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11303230021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53695 + ... + 159654.

It is an arithmetic number, because the mean of its divisors is an integer number (660104900).

Almost surely, 211303230020 is an apocalyptic number.

11303230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303230020 is an abundant number, since it is smaller than the sum of its proper divisors (20381805180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11303230020 is a wasteful number, since it uses less digits than its factorization.

11303230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214244 (or 214242 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 11303230020 its reverse (2003230311), we get a palindrome (13306460331).

The spelling of 11303230020 in words is "eleven billion, three hundred three million, two hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 883 1766 2649 3532 4415 5298 8830 10596 13245 17660 26490 52980 213349 426698 640047 853396 1066745 1280094 2133490 2560188 3200235 4266980 6400470 12800940 188387167 376774334 565161501 753548668 941935835 1130323002 1883871670 2260646004 2825807505 3767743340 5651615010 11303230020