Base | Representation |
---|---|
bin | 10001001011110… |
… | …10101101001001 |
3 | 101001020221221011 |
4 | 20211322231021 |
5 | 243401020023 |
6 | 22145443521 |
7 | 3400214203 |
oct | 1045725511 |
9 | 331227834 |
10 | 144157513 |
11 | 74411745 |
12 | 403405a1 |
13 | 23b34806 |
14 | 15207773 |
15 | c9c850d |
hex | 897ab49 |
144157513 has 8 divisors (see below), whose sum is σ = 148236480. Its totient is φ = 140088240.
The previous prime is 144157499. The next prime is 144157547. The reversal of 144157513 is 315751441.
144157513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144157513 - 221 = 142060361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144187513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36258 + ... + 40036.
It is an arithmetic number, because the mean of its divisors is an integer number (18529560).
Almost surely, 2144157513 is an apocalyptic number.
It is an amenable number.
144157513 is a deficient number, since it is larger than the sum of its proper divisors (4078967).
144157513 is a wasteful number, since it uses less digits than its factorization.
144157513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4847.
The product of its digits is 8400, while the sum is 31.
The square root of 144157513 is about 12006.5612479177. The cubic root of 144157513 is about 524.3393207019.
The spelling of 144157513 in words is "one hundred forty-four million, one hundred fifty-seven thousand, five hundred thirteen".
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