Search a number
-
+
3121141242 = 232196123687
BaseRepresentation
bin1011101000001000…
…1101010111111010
322001111222101212210
42322002031113322
522343003004432
61233412515550
7140226156102
oct27202152772
98044871783
103121141242
11136189167a
1273131bbb6
133a981aa4b
1421873c202
151340228cc
hexba08d5fa

3121141242 has 16 divisors (see below), whose sum is σ = 6242830272. Its totient is φ = 1040289120.

The previous prime is 3121141217. The next prime is 3121141271. The reversal of 3121141242 is 2421411213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119923 + ... + 143609.

It is an arithmetic number, because the mean of its divisors is an integer number (390176892).

Almost surely, 23121141242 is an apocalyptic number.

3121141242 is an abundant number, since it is smaller than the sum of its proper divisors (3121689030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121141242 is a wasteful number, since it uses less digits than its factorization.

3121141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45653.

The product of its digits is 384, while the sum is 21.

The square root of 3121141242 is about 55867.1749956985. The cubic root of 3121141242 is about 1461.4068571517.

Adding to 3121141242 its reverse (2421411213), we get a palindrome (5542552455).

The spelling of 3121141242 in words is "three billion, one hundred twenty-one million, one hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 21961 23687 43922 47374 65883 71061 131766 142122 520190207 1040380414 1560570621 3121141242