Search a number
-
+
13230243404220 = 2235375959569101
BaseRepresentation
bin1100000010000110011111…
…1101010101100110111100
31201211210120102002022222010
43000201213331111212330
53213231014302413340
644045520115451220
72533565523265503
oct300414775254674
951753512068863
1013230243404220
114240a07543137
1215981398b6b10
1374c7b6912b3b
1433a4c09d183a
1517e237cb4b80
hexc0867f559bc

13230243404220 has 48 divisors (see below), whose sum is σ = 38045889147168. Its totient is φ = 3432711801600.

The previous prime is 13230243404143. The next prime is 13230243404227. The reversal of 13230243404220 is 2240434203231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230243404227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979782331 + ... + 2979786770.

It is an arithmetic number, because the mean of its divisors is an integer number (792622690566).

Almost surely, 213230243404220 is an apocalyptic number.

13230243404220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230243404220 is an abundant number, since it is smaller than the sum of its proper divisors (24815645742948).

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

13230243404220 is a wasteful number, since it uses less digits than its factorization.

13230243404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959569150 (or 5959569148 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13230243404220 its reverse (2240434203231), we get a palindrome (15470677607451).

The spelling of 13230243404220 in words is "thirteen trillion, two hundred thirty billion, two hundred forty-three million, four hundred four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 5959569101 11919138202 17878707303 23838276404 29797845505 35757414606 59595691010 71514829212 89393536515 119191382020 178787073030 220504056737 357574146060 441008113474 661512170211 882016226948 1102520283685 1323024340422 2205040567370 2646048680844 3307560851055 4410081134740 6615121702110 13230243404220