Base | Representation |
---|---|
bin | 1011101101111101… |
… | …0000101010101011 |
3 | 22010012212200121211 |
4 | 2323133100222223 |
5 | 22420224042443 |
6 | 1240043413551 |
7 | 140643412264 |
oct | 27337205253 |
9 | 8105780554 |
10 | 3145534123 |
11 | 1374632386 |
12 | 7395242b7 |
13 | 3b18ab7c4 |
14 | 21ba8b96b |
15 | 13624019d |
hex | bb7d0aab |
3145534123 has 4 divisors (see below), whose sum is σ = 3330565560. Its totient is φ = 2960502688.
The previous prime is 3145534121. The next prime is 3145534159. The reversal of 3145534123 is 3214355413.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3214355413 = 22259 ⋅144407.
It is a cyclic number.
It is not a de Polignac number, because 3145534123 - 21 = 3145534121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3145534121) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 92515693 + ... + 92515726.
It is an arithmetic number, because the mean of its divisors is an integer number (832641390).
Almost surely, 23145534123 is an apocalyptic number.
3145534123 is a deficient number, since it is larger than the sum of its proper divisors (185031437).
3145534123 is a wasteful number, since it uses less digits than its factorization.
3145534123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185031436.
The product of its digits is 21600, while the sum is 31.
The square root of 3145534123 is about 56085.0614959099. The cubic root of 3145534123 is about 1465.2041281567.
Adding to 3145534123 its reverse (3214355413), we get a palindrome (6359889536).
The spelling of 3145534123 in words is "three billion, one hundred forty-five million, five hundred thirty-four thousand, one hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •