Search a number
-
+
3050223161 = 29157669937
BaseRepresentation
bin1011010111001110…
…1011011000111001
321212120112101120012
42311303223120321
522221324120121
61222400511305
7135405316616
oct26563533071
97776471505
103050223161
111325853897
1271161b535
13397c1a39b
1420d15b50d
1512cbb4c5b
hexb5ceb639

3050223161 has 8 divisors (see below), whose sum is σ = 3175506120. Its totient is φ = 2926280448.

The previous prime is 3050223149. The next prime is 3050223221. The reversal of 3050223161 is 1613220503.

It can be written as a sum of positive squares in 4 ways, for example, as 12559936 + 3037663225 = 3544^2 + 55115^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3050223161 is a prime.

It is a super-2 number, since 2×30502231612 = 18607722663801663842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3050220161) 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 7 ways as a sum of consecutive naturals, for example, 330416 + ... + 339521.

It is an arithmetic number, because the mean of its divisors is an integer number (396938265).

Almost surely, 23050223161 is an apocalyptic number.

It is an amenable number.

3050223161 is a deficient number, since it is larger than the sum of its proper divisors (125282959).

3050223161 is a wasteful number, since it uses less digits than its factorization.

3050223161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670123.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3050223161 is about 55228.8254537429. The cubic root of 3050223161 is about 1450.2533304505.

Adding to 3050223161 its reverse (1613220503), we get a palindrome (4663443664).

The spelling of 3050223161 in words is "three billion, fifty million, two hundred twenty-three thousand, one hundred sixty-one".

Divisors: 1 29 157 4553 669937 19428173 105180109 3050223161