Search a number
-
+
2018520298874 = 25319042644329
BaseRepresentation
bin11101010111111001001…
…011110111010101111010
321010222011011001111212102
4131113321023313111322
5231032412144030444
64143143451143402
7265555546306352
oct35277113672572
97128134044772
102018520298874
117090600a4512
12287252444b62
131184655061c1
146d9a8437b62
153778ddad84e
hex1d5f92f757a

2018520298874 has 8 divisors (see below), whose sum is σ = 3084908381460. Its totient is φ = 990217505056.

The previous prime is 2018520298871. The next prime is 2018520298897. The reversal of 2018520298874 is 4788920258102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2004022453225 + 14497845649 = 1415635^2 + 120407^2 .

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 (2018520298871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9521322059 + ... + 9521322270.

Almost surely, 22018520298874 is an apocalyptic number.

2018520298874 is a deficient number, since it is larger than the sum of its proper divisors (1066388082586).

2018520298874 is a wasteful number, since it uses less digits than its factorization.

2018520298874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19042644384.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 2018520298874 in words is "two trillion, eighteen billion, five hundred twenty million, two hundred ninety-eight thousand, eight hundred seventy-four".

Divisors: 1 2 53 106 19042644329 38085288658 1009260149437 2018520298874