Base | Representation |
---|---|
bin | 1011101101111011… |
… | …0001001001110101 |
3 | 22010012122010120011 |
4 | 2323132301021311 |
5 | 22420210430140 |
6 | 1240040540221 |
7 | 140642334046 |
oct | 27336611165 |
9 | 8105563504 |
10 | 3145405045 |
11 | 1374554402 |
12 | 739481671 |
13 | 3b1864b23 |
14 | 21ba568cd |
15 | 136216cea |
hex | bb7b1275 |
3145405045 has 16 divisors (see below), whose sum is σ = 3860410752. Its totient is φ = 2459404480.
The previous prime is 3145404971. The next prime is 3145405069. The reversal of 3145405045 is 5405045413.
It is a happy number.
It is not a de Polignac number, because 3145405045 - 219 = 3144880757 is a prime.
It is a super-2 number, since 2×31454050452 = 19787145794222904050, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3145404998 and 3145405016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47130 + ... + 92260.
It is an arithmetic number, because the mean of its divisors is an integer number (241275672).
Almost surely, 23145405045 is an apocalyptic number.
It is an amenable number.
3145405045 is a deficient number, since it is larger than the sum of its proper divisors (715005707).
3145405045 is a wasteful number, since it uses less digits than its factorization.
3145405045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45452.
The product of its (nonzero) digits is 24000, while the sum is 31.
The square root of 3145405045 is about 56083.9107498755. The cubic root of 3145405045 is about 1465.1840861757.
The spelling of 3145405045 in words is "three billion, one hundred forty-five million, four hundred five thousand, forty-five".
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