Base | Representation |
---|---|
bin | 1011101101100111… |
… | …0111011100111001 |
3 | 22010010012211222101 |
4 | 2323121313130321 |
5 | 22414343320441 |
6 | 1235553223401 |
7 | 140625402652 |
oct | 27331673471 |
9 | 8103184871 |
10 | 3144120121 |
11 | 1373856a8a |
12 | 738b61b61 |
13 | 3b150500c |
14 | 21b800529 |
15 | 136061231 |
hex | bb677739 |
3144120121 has 4 divisors (see below), whose sum is σ = 3154230144. Its totient is φ = 3134010100.
The previous prime is 3144120107. The next prime is 3144120157. The reversal of 3144120121 is 1210214413.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3144120121 - 29 = 3144119609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3144120191) 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, 5054545 + ... + 5055166.
It is an arithmetic number, because the mean of its divisors is an integer number (788557536).
Almost surely, 23144120121 is an apocalyptic number.
It is an amenable number.
3144120121 is a deficient number, since it is larger than the sum of its proper divisors (10110023).
3144120121 is a wasteful number, since it uses less digits than its factorization.
3144120121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10110022.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 3144120121 is about 56072.4542088181. The cubic root of 3144120121 is about 1464.9845457257.
Adding to 3144120121 its reverse (1210214413), we get a palindrome (4354334534).
The spelling of 3144120121 in words is "three billion, one hundred forty-four million, one hundred twenty thousand, one hundred twenty-one".
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