Base | Representation |
---|---|
bin | 1000011010000100010… |
… | …1010000010100111111 |
3 | 111210211000121212210201 |
4 | 2012201011100110333 |
5 | 4331301211231033 |
6 | 150204141544331 |
7 | 13302161253655 |
oct | 2064105202477 |
9 | 453730555721 |
10 | 144436430143 |
11 | 56289665835 |
12 | 23bab5750a7 |
13 | 1080aa3b9a5 |
14 | 6dc290add5 |
15 | 3b5545447d |
hex | 21a115053f |
144436430143 has 4 divisors (see below), whose sum is σ = 144591906240. Its totient is φ = 144280954048.
The previous prime is 144436430113. The next prime is 144436430179. The reversal of 144436430143 is 341034634441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341034634441 = 359 ⋅949957199.
It is a cyclic number.
It is not a de Polignac number, because 144436430143 - 217 = 144436299071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144436430113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77736655 + ... + 77738512.
It is an arithmetic number, because the mean of its divisors is an integer number (36147976560).
Almost surely, 2144436430143 is an apocalyptic number.
144436430143 is a deficient number, since it is larger than the sum of its proper divisors (155476097).
144436430143 is an equidigital number, since it uses as much as digits as its factorization.
144436430143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155476096.
The product of its (nonzero) digits is 165888, while the sum is 37.
The spelling of 144436430143 in words is "one hundred forty-four billion, four hundred thirty-six million, four hundred thirty thousand, one hundred forty-three".
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