Base | Representation |
---|---|
bin | 1000011010110101000… |
… | …1110101101110001111 |
3 | 111211100021122221012111 |
4 | 2012231101311232033 |
5 | 4332211102240011 |
6 | 150240331444451 |
7 | 13310224454512 |
oct | 2065521655617 |
9 | 454307587174 |
10 | 144641055631 |
11 | 56384117a06 |
12 | 24047bb6727 |
13 | 10841255467 |
14 | 7001b74d79 |
15 | 3b683c4121 |
hex | 21ad475b8f |
144641055631 has 2 divisors, whose sum is σ = 144641055632. Its totient is φ = 144641055630.
The previous prime is 144641055619. The next prime is 144641055653. The reversal of 144641055631 is 136550146441.
It is a weak prime.
It is an emirp because it is prime and its reverse (136550146441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 144641055631 - 25 = 144641055599 is a prime.
It is a super-2 number, since 2×1446410556312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144641055731) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320527815 + 72320527816.
It is an arithmetic number, because the mean of its divisors is an integer number (72320527816).
Almost surely, 2144641055631 is an apocalyptic number.
144641055631 is a deficient number, since it is larger than the sum of its proper divisors (1).
144641055631 is an equidigital number, since it uses as much as digits as its factorization.
144641055631 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 172800, while the sum is 40.
The spelling of 144641055631 in words is "one hundred forty-four billion, six hundred forty-one million, fifty-five thousand, six hundred thirty-one".
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