Base | Representation |
---|---|
bin | 1000011001001100111… |
… | …1100100110000010111 |
3 | 111210012211202010022212 |
4 | 2012103033210300113 |
5 | 4330312242113411 |
6 | 150125125344035 |
7 | 13263341636162 |
oct | 2062317446027 |
9 | 453184663285 |
10 | 144204254231 |
11 | 5617a5a6614 |
12 | 23b4586801b |
13 | 107a18ca1ab |
14 | 6d9db50ad9 |
15 | 3b3ed9168b |
hex | 21933e4c17 |
144204254231 has 4 divisors (see below), whose sum is σ = 144205730592. Its totient is φ = 144202777872.
The previous prime is 144204254219. The next prime is 144204254279. The reversal of 144204254231 is 132452402441.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 144204254231 - 214 = 144204237847 is a prime.
It is a super-2 number, since 2×1442042542312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144204254291) 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, 580430 + ... + 790763.
It is an arithmetic number, because the mean of its divisors is an integer number (36051432648).
Almost surely, 2144204254231 is an apocalyptic number.
144204254231 is a deficient number, since it is larger than the sum of its proper divisors (1476361).
144204254231 is a wasteful number, since it uses less digits than its factorization.
144204254231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1476360.
The product of its (nonzero) digits is 30720, while the sum is 32.
Adding to 144204254231 its reverse (132452402441), we get a palindrome (276656656672).
The spelling of 144204254231 in words is "one hundred forty-four billion, two hundred four million, two hundred fifty-four thousand, two hundred thirty-one".
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