Search a number
-
+
13221010124 = 2271595929587
BaseRepresentation
bin11000101000000100…
…01001101011001100
31021010101122220100122
430110002021223030
5204034034310444
610023524044112
7645425506010
oct142402115314
937111586318
1013221010124
115674a08653
12268b833638
13132910411a
148d5c5a540
15525a5b4ee
hex314089acc

13221010124 has 24 divisors (see below), whose sum is σ = 26444570880. Its totient is φ = 5665600656.

The previous prime is 13221010123. The next prime is 13221010133. The reversal of 13221010124 is 42101012231.

It is not an unprimeable number, because it can be changed into a prime (13221010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432059 + ... + 461645.

It is an arithmetic number, because the mean of its divisors is an integer number (1101857120).

Almost surely, 213221010124 is an apocalyptic number.

13221010124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13221010124 is an abundant number, since it is smaller than the sum of its proper divisors (13223560756).

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

13221010124 is a wasteful number, since it uses less digits than its factorization.

13221010124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45557 (or 45555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13221010124 its reverse (42101012231), we get a palindrome (55322022355).

The spelling of 13221010124 in words is "thirteen billion, two hundred twenty-one million, ten thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 15959 29587 31918 59174 63836 111713 118348 207109 223426 414218 446852 828436 472178933 944357866 1888715732 3305252531 6610505062 13221010124