Base | Representation |
---|---|
bin | 1011101000001101… |
… | …0111010011100111 |
3 | 22001112112210021200 |
4 | 2322003113103213 |
5 | 22343042202241 |
6 | 1233423213543 |
7 | 140231560014 |
oct | 27203272347 |
9 | 8045483250 |
10 | 3121444071 |
11 | 1361a79149 |
12 | 7314472b3 |
13 | 3a98c5835 |
14 | 2187ba70b |
15 | 1340824b6 |
hex | ba0d74e7 |
3121444071 has 12 divisors (see below), whose sum is σ = 4572257040. Its totient is φ = 2051652960.
The previous prime is 3121444019. The next prime is 3121444093. The reversal of 3121444071 is 1704441213.
3121444071 is a `hidden beast` number, since 3 + 1 + 214 + 440 + 7 + 1 = 666.
It is not a de Polignac number, because 3121444071 - 210 = 3121443047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121444871) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2441806 + ... + 2443083.
It is an arithmetic number, because the mean of its divisors is an integer number (381021420).
Almost surely, 23121444071 is an apocalyptic number.
3121444071 is a deficient number, since it is larger than the sum of its proper divisors (1450812969).
3121444071 is a wasteful number, since it uses less digits than its factorization.
3121444071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4884966 (or 4884963 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 3121444071 is about 55869.8851887132. The cubic root of 3121444071 is about 1461.4541199989.
Adding to 3121444071 its reverse (1704441213), we get a palindrome (4825885284).
The spelling of 3121444071 in words is "three billion, one hundred twenty-one million, four hundred forty-four thousand, seventy-one".
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