Search a number
-
+
13220110230 = 2352923096581
BaseRepresentation
bin11000100111111101…
…01101111110010110
31021010022222011221020
430103332231332112
5204033322011410
610023452502010
7645415040265
oct142376557626
937108864836
1013220110230
115674453538
12268b47a906
131328b7a642
148d5aa45dc
1552592ea70
hex313fadf96

13220110230 has 64 divisors (see below), whose sum is σ = 32841547200. Its totient is φ = 3401807360.

The previous prime is 13220110229. The next prime is 13220110237. The reversal of 13220110230 is 3201102231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220110237) 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, 2005540 + ... + 2012120.

It is an arithmetic number, because the mean of its divisors is an integer number (513149175).

Almost surely, 213220110230 is an apocalyptic number.

13220110230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220110230 is an abundant number, since it is smaller than the sum of its proper divisors (19621436970).

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

13220110230 is a wasteful number, since it uses less digits than its factorization.

13220110230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13220110230 its reverse (3201102231), we get a palindrome (16421212461).

The spelling of 13220110230 in words is "thirteen billion, two hundred twenty million, one hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 2309 4618 6581 6927 11545 13162 13854 19743 23090 32905 34635 39486 65810 66961 69270 98715 133922 190849 197430 200883 334805 381698 401766 572547 669610 954245 1004415 1145094 1908490 2008830 2862735 5725470 15195529 30391058 45586587 75977645 91173174 151955290 227932935 440670341 455865870 881340682 1322011023 2203351705 2644022046 4406703410 6610055115 13220110230