Search a number
-
+
2230031115505 = 5446006223101
BaseRepresentation
bin100000011100111000001…
…101100110010011110001
321220012002200222021021201
4200130320031212103301
5243014100431144010
64424243454051201
7320054151503464
oct40347015462361
97805080867251
102230031115505
1178a829478606
12300240aa9b01
131323a252127b
1479d111992db
153d01cb7523a
hex207383664f1

2230031115505 has 4 divisors (see below), whose sum is σ = 2676037338612. Its totient is φ = 1784024892400.

The previous prime is 2230031115503. The next prime is 2230031115511. The reversal of 2230031115505 is 5055111300322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1571974318656 + 658056796849 = 1253784^2 + 811207^2 .

It is not a de Polignac number, because 2230031115505 - 21 = 2230031115503 is a prime.

It is a super-2 number, since 2×22300311155052 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230031115503) by changing a digit.

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, 223003111546 + ... + 223003111555.

It is an arithmetic number, because the mean of its divisors is an integer number (669009334653).

Almost surely, 22230031115505 is an apocalyptic number.

It is an amenable number.

2230031115505 is a deficient number, since it is larger than the sum of its proper divisors (446006223107).

2230031115505 is an equidigital number, since it uses as much as digits as its factorization.

2230031115505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446006223106.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 2230031115505 its reverse (5055111300322), we get a palindrome (7285142415827).

The spelling of 2230031115505 in words is "two trillion, two hundred thirty billion, thirty-one million, one hundred fifteen thousand, five hundred five".

Divisors: 1 5 446006223101 2230031115505