Base | Representation |
---|---|
bin | 1000011010011110001… |
… | …1110100010001111111 |
3 | 111211002121010010201021 |
4 | 2012213203310101333 |
5 | 4332012021330043 |
6 | 150223023125011 |
7 | 13304651056234 |
oct | 2064743642177 |
9 | 454077103637 |
10 | 144545105023 |
11 | 56334a41890 |
12 | 2401ba43767 |
13 | 108273cbb57 |
14 | 6dd311978b |
15 | 3b5ec6e3ed |
hex | 21a78f447f |
144545105023 has 8 divisors (see below), whose sum is σ = 157715491536. Its totient is φ = 131379705600.
The previous prime is 144545105021. The next prime is 144545105039. The reversal of 144545105023 is 320501545441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144545105023 - 21 = 144545105021 is a prime.
It is a super-2 number, since 2×1445451050232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144545105023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144545105021) 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, 1186036 + ... + 1302217.
It is an arithmetic number, because the mean of its divisors is an integer number (19714436442).
Almost surely, 2144545105023 is an apocalyptic number.
144545105023 is a deficient number, since it is larger than the sum of its proper divisors (13170386513).
144545105023 is a wasteful number, since it uses less digits than its factorization.
144545105023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2493545.
The product of its (nonzero) digits is 48000, while the sum is 34.
The spelling of 144545105023 in words is "one hundred forty-four billion, five hundred forty-five million, one hundred five thousand, twenty-three".
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