Base | Representation |
---|---|
bin | 10001001011100… |
… | …01100011001100 |
3 | 101001012001111020 |
4 | 20211301203030 |
5 | 243343320022 |
6 | 22144554140 |
7 | 3366666651 |
oct | 1045614314 |
9 | 331161436 |
10 | 144120012 |
11 | 74396553 |
12 | 40322950 |
13 | 23b2071a |
14 | 151d7c28 |
15 | c9bc35c |
hex | 89718cc |
144120012 has 36 divisors (see below), whose sum is σ = 339775800. Its totient is φ = 47545664.
The previous prime is 144120007. The next prime is 144120013. The reversal of 144120012 is 210021441.
It is a junction number, because it is equal to n+sod(n) for n = 144119973 and 144120000.
It is not an unprimeable number, because it can be changed into a prime (144120013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136864 + ... + 137912.
Almost surely, 2144120012 is an apocalyptic number.
144120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144120012 is an abundant number, since it is smaller than the sum of its proper divisors (195655788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144120012 is a wasteful number, since it uses less digits than its factorization.
144120012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1270 (or 1161 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 144120012 is about 12004.9994585589. Note that the first 3 decimals coincide. The cubic root of 144120012 is about 524.2938497127.
Adding to 144120012 its reverse (210021441), we get a palindrome (354141453).
The spelling of 144120012 in words is "one hundred forty-four million, one hundred twenty thousand, twelve".
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