Search a number
-
+
13005800578 = 229224237941
BaseRepresentation
bin11000001110011010…
…01100010010000010
31020120101201010100201
430013031030102002
5203113441104303
65550315235414
7640203323641
oct140715142202
936511633321
1013005800578
115574487521
12262b748b6a
1312c3652cb4
148b5439358
15511bea81d
hex30734c482

13005800578 has 8 divisors (see below), whose sum is σ = 20181414780. Its totient is φ = 6278662320.

The previous prime is 13005800557. The next prime is 13005800579. The reversal of 13005800578 is 87500850031.

It can be written as a sum of positive squares in 2 ways, for example, as 12965693689 + 40106889 = 113867^2 + 6333^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13005800579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112118913 + ... + 112119028.

Almost surely, 213005800578 is an apocalyptic number.

13005800578 is a deficient number, since it is larger than the sum of its proper divisors (7175614202).

13005800578 is a wasteful number, since it uses less digits than its factorization.

13005800578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224237972.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 13005800578 in words is "thirteen billion, five million, eight hundred thousand, five hundred seventy-eight".

Divisors: 1 2 29 58 224237941 448475882 6502900289 13005800578