Base | Representation |
---|---|
bin | 1000011001000001011… |
… | …0111001111010111111 |
3 | 111210002110122122100222 |
4 | 2012100112321322333 |
5 | 4330212344004122 |
6 | 150120240011555 |
7 | 13262213313260 |
oct | 2062026717277 |
9 | 453073578328 |
10 | 144155844287 |
11 | 561552414a4 |
12 | 23b31600bbb |
13 | 1079487a760 |
14 | 6d9754c967 |
15 | 3b3a9ccb42 |
hex | 21905b9ebf |
144155844287 has 32 divisors (see below), whose sum is σ = 180322310784. Its totient is φ = 112207680000.
The previous prime is 144155844277. The next prime is 144155844373. The reversal of 144155844287 is 782448551441.
It is not a de Polignac number, because 144155844287 - 24 = 144155844271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144155844227) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1393037 + ... + 1492937.
It is an arithmetic number, because the mean of its divisors is an integer number (5635072212).
Almost surely, 2144155844287 is an apocalyptic number.
144155844287 is a deficient number, since it is larger than the sum of its proper divisors (36166466497).
144155844287 is a wasteful number, since it uses less digits than its factorization.
144155844287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100179.
The product of its digits is 5734400, while the sum is 53.
The spelling of 144155844287 in words is "one hundred forty-four billion, one hundred fifty-five million, eight hundred forty-four thousand, two hundred eighty-seven".
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