Base | Representation |
---|---|
bin | 1000011010011101111… |
… | …1101000000001001101 |
3 | 111211002112001022102220 |
4 | 2012213133220001031 |
5 | 4332011231144341 |
6 | 150222543405553 |
7 | 13304635531566 |
oct | 2064737500115 |
9 | 454075038386 |
10 | 144544006221 |
11 | 5633436128a |
12 | 2401b5b38b9 |
13 | 10827105984 |
14 | 6dd2d1116d |
15 | 3b5eb03a66 |
hex | 21a77e804d |
144544006221 has 8 divisors (see below), whose sum is σ = 192755674560. Its totient is φ = 96347504352.
The previous prime is 144544006219. The next prime is 144544006297. The reversal of 144544006221 is 122600445441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144544006221 - 21 = 144544006219 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144544006921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769360 + ... + 3807513.
It is an arithmetic number, because the mean of its divisors is an integer number (24094459320).
Almost surely, 2144544006221 is an apocalyptic number.
It is an amenable number.
144544006221 is a deficient number, since it is larger than the sum of its proper divisors (48211668339).
144544006221 is an equidigital number, since it uses as much as digits as its factorization.
144544006221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7583235.
The product of its (nonzero) digits is 30720, while the sum is 33.
The spelling of 144544006221 in words is "one hundred forty-four billion, five hundred forty-four million, six thousand, two hundred twenty-one".
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