Base | Representation |
---|---|
bin | 10001001110110… |
… | …11010000110101 |
3 | 101002000001110022 |
4 | 20213123100311 |
5 | 244001144023 |
6 | 22202134525 |
7 | 3403452233 |
oct | 1047332065 |
9 | 332001408 |
10 | 144553013 |
11 | 74661900 |
12 | 404b1445 |
13 | 23c42837 |
14 | 152ab953 |
15 | ca557c8 |
hex | 89db435 |
144553013 has 12 divisors (see below), whose sum is σ = 159263244. Its totient is φ = 131102400.
The previous prime is 144552983. The next prime is 144553021. The reversal of 144553013 is 310355441.
144553013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 41692849 + 102860164 = 6457^2 + 10142^2 .
It is not a de Polignac number, because 144553013 - 210 = 144551989 is a prime.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144553613) 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, 61895 + ... + 64187.
It is an arithmetic number, because the mean of its divisors is an integer number (13271937).
Almost surely, 2144553013 is an apocalyptic number.
It is an amenable number.
144553013 is a deficient number, since it is larger than the sum of its proper divisors (14710231).
144553013 is a wasteful number, since it uses less digits than its factorization.
144553013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2836 (or 2825 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 144553013 is about 12023.0201280710. The cubic root of 144553013 is about 524.8183958426.
The spelling of 144553013 in words is "one hundred forty-four million, five hundred fifty-three thousand, thirteen".
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