Search a number
-
+
13805569790 = 251380556979
BaseRepresentation
bin11001101101110000…
…00100011011111110
31022122010121121110122
430312320010123332
5211233211213130
610201525134542
7666054256415
oct146670043376
938563547418
1013805569790
11594497aa11
12281355a452
1313c0254b0c
1494d74447c
1555c0292e5
hex336e046fe

13805569790 has 8 divisors (see below), whose sum is σ = 24850025640. Its totient is φ = 5522227912.

The previous prime is 13805569787. The next prime is 13805569801. The reversal of 13805569790 is 9796550831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690278480 + ... + 690278499.

It is an arithmetic number, because the mean of its divisors is an integer number (3106253205).

Almost surely, 213805569790 is an apocalyptic number.

13805569790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13805569790 is a deficient number, since it is larger than the sum of its proper divisors (11044455850).

13805569790 is a wasteful number, since it uses less digits than its factorization.

13805569790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380556986.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 13805569790 in words is "thirteen billion, eight hundred five million, five hundred sixty-nine thousand, seven hundred ninety".

Divisors: 1 2 5 10 1380556979 2761113958 6902784895 13805569790