Search a number
-
+
105018722353 = 109963474517
BaseRepresentation
bin110000111001110011…
…0101000100000110001
3101001001221020212001101
41201303212220200301
53210034243103403
6120124523404401
710405314261046
oct1416346504061
9331057225041
10105018722353
11405a1370526
121842a683701
139b984c503c
1451237d71cd
152ae9b3d71d
hex18739a8831

105018722353 has 4 divisors (see below), whose sum is σ = 105982196980. Its totient is φ = 104055247728.

The previous prime is 105018722323. The next prime is 105018722357. The reversal of 105018722353 is 353227810501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353227810501 = 877402768313.

It can be written as a sum of positive squares in 2 ways, for example, as 35377095744 + 69641626609 = 188088^2 + 263897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105018722353 is a prime.

It is a super-2 number, since 2×1050187223532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105018722357) 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, 481737150 + ... + 481737367.

It is an arithmetic number, because the mean of its divisors is an integer number (26495549245).

Almost surely, 2105018722353 is an apocalyptic number.

It is an amenable number.

105018722353 is a deficient number, since it is larger than the sum of its proper divisors (963474627).

105018722353 is an equidigital number, since it uses as much as digits as its factorization.

105018722353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963474626.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 105018722353 in words is "one hundred five billion, eighteen million, seven hundred twenty-two thousand, three hundred fifty-three".

Divisors: 1 109 963474517 105018722353