Base | Representation |
---|---|
bin | 1000011100010000110… |
… | …0000111011011001101 |
3 | 111212100001221020102100 |
4 | 2013010030013123031 |
5 | 4334003002244440 |
6 | 150342422145313 |
7 | 13322602553232 |
oct | 2070414073315 |
9 | 455301836370 |
10 | 145025431245 |
11 | 56561091002 |
12 | 24134882239 |
13 | 108a2a86156 |
14 | 703ac2d789 |
15 | 3b8beed230 |
hex | 21c43076cd |
145025431245 has 24 divisors (see below), whose sum is σ = 251727091200. Its totient is φ = 77239303776.
The previous prime is 145025431241. The next prime is 145025431261. The reversal of 145025431245 is 542134520541.
145025431245 is a `hidden beast` number, since 1 + 4 + 50 + 254 + 312 + 45 = 666.
It is not a de Polignac number, because 145025431245 - 22 = 145025431241 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145025431241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2208805 + ... + 2273514.
It is an arithmetic number, because the mean of its divisors is an integer number (10488628800).
Almost surely, 2145025431245 is an apocalyptic number.
145025431245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145025431245 is a deficient number, since it is larger than the sum of its proper divisors (106701659955).
145025431245 is a wasteful number, since it uses less digits than its factorization.
145025431245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4483049 (or 4483046 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 36.
Adding to 145025431245 its reverse (542134520541), we get a palindrome (687159951786).
The spelling of 145025431245 in words is "one hundred forty-five billion, twenty-five million, four hundred thirty-one thousand, two hundred forty-five".
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