Search a number
-
+
13447790000 = 24541344779
BaseRepresentation
bin11001000011000110…
…01111110110110000
31021201012101111212022
430201203033312300
5210020113240000
610102224451012
7654151220561
oct144143176660
937635344768
1013447790000
115780a21737
122733779a68
1313640a67b8
14918010168
1553a905585
hex3218cfdb0

13447790000 has 50 divisors (see below), whose sum is σ = 32558468580. Its totient is φ = 5379112000.

The previous prime is 13447789997. The next prime is 13447790017. The reversal of 13447790000 is 9774431.

13447790000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 662390 + ... + 682389.

Almost surely, 213447790000 is an apocalyptic number.

13447790000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13447790000 is an abundant number, since it is smaller than the sum of its proper divisors (19110678580).

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

13447790000 is an equidigital number, since it uses as much as digits as its factorization.

13447790000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344807 (or 1344786 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 13447790000 in words is "thirteen billion, four hundred forty-seven million, seven hundred ninety thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 1344779 2689558 5379116 6723895 10758232 13447790 21516464 26895580 33619475 53791160 67238950 107582320 134477900 168097375 268955800 336194750 537911600 672389500 840486875 1344779000 1680973750 2689558000 3361947500 6723895000 13447790000