Base | Representation |
---|---|
bin | 1011101101111011… |
… | …1001101101101001 |
3 | 22010012200220122200 |
4 | 2323132321231221 |
5 | 22420213040410 |
6 | 1240041410413 |
7 | 140642541213 |
oct | 27336715551 |
9 | 8105626580 |
10 | 3145440105 |
11 | 1374578785 |
12 | 739499a09 |
13 | 3b1877a82 |
14 | 21ba655b3 |
15 | 1362223c0 |
hex | bb7b9b69 |
3145440105 has 24 divisors (see below), whose sum is σ = 5453485440. Its totient is φ = 1677140640.
The previous prime is 3145439993. The next prime is 3145440107. The reversal of 3145440105 is 5010445413.
It is a happy number.
3145440105 is a `hidden beast` number, since 3 + 14 + 544 + 0 + 105 = 666.
It is not a de Polignac number, because 3145440105 - 28 = 3145439849 is a prime.
It is a super-2 number, since 2×31454401052 = 19787586908284822050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3145440107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256770 + ... + 268740.
It is an arithmetic number, because the mean of its divisors is an integer number (227228560).
Almost surely, 23145440105 is an apocalyptic number.
It is an amenable number.
3145440105 is a deficient number, since it is larger than the sum of its proper divisors (2308045335).
3145440105 is a wasteful number, since it uses less digits than its factorization.
3145440105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17821 (or 17818 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 3145440105 is about 56084.2233163659. The cubic root of 3145440105 is about 1465.1895300070.
Adding to 3145440105 its reverse (5010445413), we get a palindrome (8155885518).
The spelling of 3145440105 in words is "three billion, one hundred forty-five million, four hundred forty thousand, one hundred five".
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