Search a number
-
+
13354352240 = 245316752709
BaseRepresentation
bin11000110111111101…
…10011111001110000
31021110200120101100112
430123332303321300
5204322203232430
610045050040452
7651635056355
oct143376637160
937420511315
1013354352240
115733202549
122708419128
13134a91cb98
1490984a62c
155325ea195
hex31bfb3e70

13354352240 has 40 divisors (see below), whose sum is σ = 31059262080. Its totient is φ = 5339952896.

The previous prime is 13354352239. The next prime is 13354352251. The reversal of 13354352240 is 4225345331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 13354352197 and 13354352206.

It is a congruent number.

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, 227006 + ... + 279714.

It is an arithmetic number, because the mean of its divisors is an integer number (776481552).

Almost surely, 213354352240 is an apocalyptic number.

13354352240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13354352240 is an abundant number, since it is smaller than the sum of its proper divisors (17704909840).

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

13354352240 is a wasteful number, since it uses less digits than its factorization.

13354352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55889 (or 55883 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 13354352240 its reverse (4225345331), we get a palindrome (17579697571).

The spelling of 13354352240 in words is "thirteen billion, three hundred fifty-four million, three hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3167 6334 12668 15835 25336 31670 50672 52709 63340 105418 126680 210836 253360 263545 421672 527090 843344 1054180 2108360 4216720 166929403 333858806 667717612 834647015 1335435224 1669294030 2670870448 3338588060 6677176120 13354352240