Base | Representation |
---|---|
bin | 1011110100010010… |
… | …1001000111011101 |
3 | 22012001212220222200 |
4 | 2331010221013131 |
5 | 22444030021223 |
6 | 1242433202113 |
7 | 141415332324 |
oct | 27504510735 |
9 | 8161786880 |
10 | 3172110813 |
11 | 1388634893 |
12 | 746400339 |
13 | 3b7255561 |
14 | 2214090bb |
15 | 13873ea43 |
hex | bd1291dd |
3172110813 has 12 divisors (see below), whose sum is σ = 4582511388. Its totient is φ = 2114475840.
The previous prime is 3172110769. The next prime is 3172110833. The reversal of 3172110813 is 3180112713.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2504301849 + 667808964 = 50043^2 + 25842^2 .
It is not a de Polignac number, because 3172110813 - 222 = 3167916509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3172110833) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 77473 + ... + 111113.
It is an arithmetic number, because the mean of its divisors is an integer number (381875949).
Almost surely, 23172110813 is an apocalyptic number.
It is an amenable number.
3172110813 is a deficient number, since it is larger than the sum of its proper divisors (1410400575).
3172110813 is a wasteful number, since it uses less digits than its factorization.
3172110813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44124 (or 44121 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 3172110813 is about 56321.4951239755. The cubic root of 3172110813 is about 1469.3190751664.
The spelling of 3172110813 in words is "three billion, one hundred seventy-two million, one hundred ten thousand, eight hundred thirteen".
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