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144713457789 = 3592609313373
BaseRepresentation
bin1000011011000110011…
…0000010000001111101
3111211112022220100021220
42012301212002001331
54332333121122124
6150251435343553
713312064044515
oct2066146020175
9454468810256
10144713457789
1156410a797aa
12240682b1bb9
1310853255484
14700b620845
153b6e926879
hex21b198207d

144713457789 has 16 divisors (see below), whose sum is σ = 196297473600. Its totient is φ = 94803804416.

The previous prime is 144713457769. The next prime is 144713457799. The reversal of 144713457789 is 987754317441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144713457789 - 28 = 144713457533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144713457769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305107 + ... + 618479.

It is an arithmetic number, because the mean of its divisors is an integer number (12268592100).

Almost surely, 2144713457789 is an apocalyptic number.

It is an amenable number.

144713457789 is a deficient number, since it is larger than the sum of its proper divisors (51584015811).

144713457789 is a wasteful number, since it uses less digits than its factorization.

144713457789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316044.

The product of its digits is 23708160, while the sum is 60.

The spelling of 144713457789 in words is "one hundred forty-four billion, seven hundred thirteen million, four hundred fifty-seven thousand, seven hundred eighty-nine".

Divisors: 1 3 59 177 2609 7827 153931 313373 461793 940119 18489007 55467021 817590157 2452770471 48237819263 144713457789