Base | Representation |
---|---|
bin | 1011101000001101… |
… | …1001000011001110 |
3 | 22001112120011002020 |
4 | 2322003121003032 |
5 | 22343042414324 |
6 | 1233423311010 |
7 | 140231616600 |
oct | 27203310316 |
9 | 8045504066 |
10 | 3121451214 |
11 | 1361a83552 |
12 | 73144b466 |
13 | 3a98c8b6b |
14 | 2187bd170 |
15 | 134084679 |
hex | ba0d90ce |
3121451214 has 96 divisors (see below), whose sum is σ = 7670868480. Its totient is φ = 841978368.
The previous prime is 3121451183. The next prime is 3121451219. The reversal of 3121451214 is 4121541213.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121451219) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1971067 + ... + 1972649.
It is an arithmetic number, because the mean of its divisors is an integer number (79904880).
Almost surely, 23121451214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3121451214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3835434240).
3121451214 is an abundant number, since it is smaller than the sum of its proper divisors (4549417266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121451214 is a wasteful number, since it uses less digits than its factorization.
3121451214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1974 (or 1967 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 3121451214 is about 55869.9491139915. The cubic root of 3121451214 is about 1461.4552347776.
Adding to 3121451214 its reverse (4121541213), we get a palindrome (7242992427).
It can be divided in two parts, 31214 and 51214, that added together give a palindrome (82428).
The spelling of 3121451214 in words is "three billion, one hundred twenty-one million, four hundred fifty-one thousand, two hundred fourteen".
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