Search a number
-
+
13301210220 = 2235221686837
BaseRepresentation
bin11000110001101000…
…00101110001101100
31021022222120111012120
430120310011301230
5204220102211340
610035511032540
7650421264354
oct143064056154
937288514176
1013301210220
115706206121
1226b266b750
13133c9045bc
14902775b64
1552caee4d0
hex318d05c6c

13301210220 has 24 divisors (see below), whose sum is σ = 37243388784. Its totient is φ = 3546989376.

The previous prime is 13301210191. The next prime is 13301210239. The reversal of 13301210220 is 2201210331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13301210220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110843359 + ... + 110843478.

It is an arithmetic number, because the mean of its divisors is an integer number (1551807866).

Almost surely, 213301210220 is an apocalyptic number.

13301210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13301210220 is an abundant number, since it is smaller than the sum of its proper divisors (23942178564).

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

13301210220 is a wasteful number, since it uses less digits than its factorization.

13301210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221686849 (or 221686847 counting only the distinct ones).

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

Adding to 13301210220 its reverse (2201210331), we get a palindrome (15502420551).

The spelling of 13301210220 in words is "thirteen billion, three hundred one million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 221686837 443373674 665060511 886747348 1108434185 1330121022 2216868370 2660242044 3325302555 4433736740 6650605110 13301210220