Base | Representation |
---|---|
bin | 10001001010110… |
… | …11110110100011 |
3 | 101001000112120122 |
4 | 20211123312203 |
5 | 243332444024 |
6 | 22143030455 |
7 | 3366146600 |
oct | 1045336643 |
9 | 331015518 |
10 | 144031139 |
11 | 743357aa |
12 | 4029b42b |
13 | 23abc135 |
14 | 151b36a7 |
15 | c9a0d5e |
hex | 895bda3 |
144031139 has 12 divisors (see below), whose sum is σ = 173325600. Its totient is φ = 119197008.
The previous prime is 144031133. The next prime is 144031163. The reversal of 144031139 is 931130441.
It is a de Polignac number, because none of the positive numbers 2k-144031139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144031133) 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, 49259 + ... + 52100.
It is an arithmetic number, because the mean of its divisors is an integer number (14443800).
Almost surely, 2144031139 is an apocalyptic number.
144031139 is a deficient number, since it is larger than the sum of its proper divisors (29294461).
144031139 is a wasteful number, since it uses less digits than its factorization.
144031139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101402 (or 101395 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 144031139 is about 12001.2973881993. The cubic root of 144031139 is about 524.1860572606.
The spelling of 144031139 in words is "one hundred forty-four million, thirty-one thousand, one hundred thirty-nine".
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