Base | Representation |
---|---|
bin | 1011101000001101… |
… | …0110111001101100 |
3 | 22001112112201000020 |
4 | 2322003112321230 |
5 | 22343042124122 |
6 | 1233423202140 |
7 | 140231552124 |
oct | 27203267154 |
9 | 8045481006 |
10 | 3121442412 |
11 | 1361a77980 |
12 | 731446350 |
13 | 3a98c4b5a |
14 | 2187b9c84 |
15 | 134081c5c |
hex | ba0d6e6c |
3121442412 has 48 divisors (see below), whose sum is σ = 8130283392. Its totient is φ = 923892480.
The previous prime is 3121442399. The next prime is 3121442459. The reversal of 3121442412 is 2142441213.
It is a nude number because it is divisible by every one of its digits.
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 15 ways as a sum of consecutive naturals, for example, 269293 + ... + 280644.
It is an arithmetic number, because the mean of its divisors is an integer number (169380904).
Almost surely, 23121442412 is an apocalyptic number.
It is an amenable number.
3121442412 is an abundant number, since it is smaller than the sum of its proper divisors (5008840980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121442412 is a wasteful number, since it uses less digits than its factorization.
3121442412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549998 (or 549996 counting only the distinct ones).
The product of its digits is 1536, while the sum is 24.
The square root of 3121442412 is about 55869.8703417146. The cubic root of 3121442412 is about 1461.4538610853.
Adding to 3121442412 its reverse (2142441213), we get a palindrome (5263883625).
The spelling of 3121442412 in words is "three billion, one hundred twenty-one million, four hundred forty-two thousand, four hundred twelve".
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