Base | Representation |
---|---|
bin | 1000010110010111101… |
… | …1100001010010011111 |
3 | 111201020212020100100112 |
4 | 2011211323201102133 |
5 | 4322233132204211 |
6 | 145521451120235 |
7 | 13235451034013 |
oct | 2054573412237 |
9 | 451225210315 |
10 | 143444022431 |
11 | 5591a458176 |
12 | 2397314307b |
13 | 106b025c4a8 |
14 | 6d2abb8543 |
15 | 3ae827288b |
hex | 2165ee149f |
143444022431 has 2 divisors, whose sum is σ = 143444022432. Its totient is φ = 143444022430.
The previous prime is 143444022409. The next prime is 143444022433. The reversal of 143444022431 is 134220444341.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 143444022431 - 222 = 143439828127 is a prime.
It is a super-3 number, since 3×1434440224313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
Together with 143444022433, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (143444022433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71722011215 + 71722011216.
It is an arithmetic number, because the mean of its divisors is an integer number (71722011216).
Almost surely, 2143444022431 is an apocalyptic number.
143444022431 is a deficient number, since it is larger than the sum of its proper divisors (1).
143444022431 is an equidigital number, since it uses as much as digits as its factorization.
143444022431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36864, while the sum is 32.
Adding to 143444022431 its reverse (134220444341), we get a palindrome (277664466772).
The spelling of 143444022431 in words is "one hundred forty-three billion, four hundred forty-four million, twenty-two thousand, four hundred thirty-one".
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