Base | Representation |
---|---|
bin | 1000011010110011011… |
… | …1101110110011011001 |
3 | 111211022210210012212211 |
4 | 2012230313232303121 |
5 | 4332202324232140 |
6 | 150235525035121 |
7 | 13310112341065 |
oct | 2065467566331 |
9 | 454283705784 |
10 | 144634211545 |
11 | 5638027293a |
12 | 24045855aa1 |
13 | 1083c9ca1c5 |
14 | 7000cb2aa5 |
15 | 3b679c12ea |
hex | 21acdeecd9 |
144634211545 has 32 divisors (see below), whose sum is σ = 184749206400. Its totient is φ = 108508936704.
The previous prime is 144634211543. The next prime is 144634211551. The reversal of 144634211545 is 545112436441.
It is a cyclic number.
It is not a de Polignac number, because 144634211545 - 21 = 144634211543 is a prime.
It is a super-3 number, since 3×1446342115453 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 144634211498 and 144634211507.
It is not an unprimeable number, because it can be changed into a prime (144634211543) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051269 + ... + 1180861.
It is an arithmetic number, because the mean of its divisors is an integer number (5773412700).
Almost surely, 2144634211545 is an apocalyptic number.
It is an amenable number.
144634211545 is a deficient number, since it is larger than the sum of its proper divisors (40114994855).
144634211545 is a wasteful number, since it uses less digits than its factorization.
144634211545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129849.
The product of its digits is 230400, while the sum is 40.
Adding to 144634211545 its reverse (545112436441), we get a palindrome (689746647986).
The spelling of 144634211545 in words is "one hundred forty-four billion, six hundred thirty-four million, two hundred eleven thousand, five hundred forty-five".
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