Base | Representation |
---|---|
bin | 1011101100101010… |
… | …1111011011110011 |
3 | 22002211202102000121 |
4 | 2323022233123303 |
5 | 22412334430443 |
6 | 1235332231111 |
7 | 140546610130 |
oct | 27312573363 |
9 | 8084672017 |
10 | 3140155123 |
11 | 1371599026 |
12 | 73776b497 |
13 | 3b0747371 |
14 | 21b08b587 |
15 | 135a2b4ed |
hex | bb2af6f3 |
3140155123 has 4 divisors (see below), whose sum is σ = 3588748720. Its totient is φ = 2691561528.
The previous prime is 3140155111. The next prime is 3140155157. The reversal of 3140155123 is 3215510413.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215510413 = 11813 ⋅272201.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3140155123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3140155223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224296788 + ... + 224296801.
It is an arithmetic number, because the mean of its divisors is an integer number (897187180).
Almost surely, 23140155123 is an apocalyptic number.
3140155123 is a deficient number, since it is larger than the sum of its proper divisors (448593597).
3140155123 is an equidigital number, since it uses as much as digits as its factorization.
3140155123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 448593596.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 3140155123 is about 56037.0870317150. The cubic root of 3140155123 is about 1464.3684640645.
Adding to 3140155123 its reverse (3215510413), we get a palindrome (6355665536).
The spelling of 3140155123 in words is "three billion, one hundred forty million, one hundred fifty-five thousand, one hundred twenty-three".
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