Search a number
-
+
20524024685 = 59533430589
BaseRepresentation
bin10011000111010100…
…111100001101101101
31221222100120110222102
4103013110330031231
5314013122242220
613232325024445
71324414221443
oct230724741555
957870513872
1020524024685
11878230557a
123b89555125
131c21122008
14dc9b32b93
15801c7c775
hex4c753c36d

20524024685 has 8 divisors (see below), whose sum is σ = 24631470360. Its totient is φ = 16417459264.

The previous prime is 20524024667. The next prime is 20524024693. The reversal of 20524024685 is 58642042502.

It can be written as a sum of positive squares in 4 ways, for example, as 856206121 + 19667818564 = 29261^2 + 140242^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20524024685 - 26 = 20524024621 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 167630 + ... + 262959.

It is an arithmetic number, because the mean of its divisors is an integer number (3078933795).

Almost surely, 220524024685 is an apocalyptic number.

It is an amenable number.

20524024685 is a deficient number, since it is larger than the sum of its proper divisors (4107445675).

20524024685 is an equidigital number, since it uses as much as digits as its factorization.

20524024685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440127.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 20524024685 in words is "twenty billion, five hundred twenty-four million, twenty-four thousand, six hundred eighty-five".

Divisors: 1 5 9533 47665 430589 2152945 4104804937 20524024685