Base | Representation |
---|---|
bin | 10001001011101… |
… | …11101001110100 |
3 | 101001020022210011 |
4 | 20211313221310 |
5 | 243400120022 |
6 | 22145310004 |
7 | 3400132564 |
oct | 1045675164 |
9 | 331208704 |
10 | 144145012 |
11 | 74403310 |
12 | 40335304 |
13 | 23b2bc0b |
14 | 15202da4 |
15 | c9c4977 |
hex | 8977a74 |
144145012 has 24 divisors (see below), whose sum is σ = 281901312. Its totient is φ = 63921600.
The previous prime is 144144977. The next prime is 144145061. The reversal of 144145012 is 210541441.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38148 + ... + 41755.
It is an arithmetic number, because the mean of its divisors is an integer number (11745888).
Almost surely, 2144145012 is an apocalyptic number.
It is an amenable number.
144145012 is a deficient number, since it is larger than the sum of its proper divisors (137756300).
144145012 is a wasteful number, since it uses less digits than its factorization.
144145012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79959 (or 79957 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 144145012 is about 12006.0406462747. The cubic root of 144145012 is about 524.3241637735.
Adding to 144145012 its reverse (210541441), we get a palindrome (354686453).
The spelling of 144145012 in words is "one hundred forty-four million, one hundred forty-five thousand, twelve".
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