Base | Representation |
---|---|
bin | 1000010110011000111… |
… | …1100111010100011001 |
3 | 111201021020010222010000 |
4 | 2011212033213110121 |
5 | 4322241004240014 |
6 | 145522200043213 |
7 | 13235543563254 |
oct | 2054617472431 |
9 | 451236128100 |
10 | 143449290009 |
11 | 55922425843 |
12 | 23974a63509 |
13 | 106b1384cbc |
14 | 6d2b78a09b |
15 | 3ae8963509 |
hex | 21663e7519 |
143449290009 has 15 divisors (see below), whose sum is σ = 214293537733. Its totient is φ = 95630587524.
The previous prime is 143449290007. The next prime is 143449290067. The reversal of 143449290009 is 900092944341.
The square root of 143449290009 is 378747.
It is a perfect power (a square), and thus also a powerful number.
143449290009 is a `hidden beast` number, since 14 + 344 + 9 + 290 + 0 + 0 + 9 = 666.
143449290009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 143449290009 - 21 = 143449290007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143449290001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3387682 + ... + 3429764.
Almost surely, 2143449290009 is an apocalyptic number.
143449290009 is the 378747-th square number.
143449290009 is the 189374-th centered octagonal number.
It is an amenable number.
143449290009 is a deficient number, since it is larger than the sum of its proper divisors (70844247724).
143449290009 is an frugal number, since it uses more digits than its factorization.
143449290009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84178 (or 42086 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 45.
The spelling of 143449290009 in words is "one hundred forty-three billion, four hundred forty-nine million, two hundred ninety thousand, nine".
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