Base | Representation |
---|---|
bin | 1000011100010111011… |
… | …0001000101000001000 |
3 | 111212102000020020010121 |
4 | 2013011312020220020 |
5 | 4334032111122212 |
6 | 150345253553024 |
7 | 13323361025065 |
oct | 2070566105010 |
9 | 455360206117 |
10 | 145053223432 |
11 | 56575843757 |
12 | 24142045774 |
13 | 108a8767230 |
14 | 70407c5c6c |
15 | 3b8e68cd07 |
hex | 21c5d88a08 |
145053223432 has 32 divisors (see below), whose sum is σ = 295915498200. Its totient is φ = 66257455104.
The previous prime is 145053223423. The next prime is 145053223457. The reversal of 145053223432 is 234322350541.
It can be written as a sum of positive squares in 4 ways, for example, as 131097581476 + 13955641956 = 362074^2 + 118134^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7179307 + ... + 7199482.
Almost surely, 2145053223432 is an apocalyptic number.
It is an amenable number.
145053223432 is an abundant number, since it is smaller than the sum of its proper divisors (150862274768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145053223432 is a wasteful number, since it uses less digits than its factorization.
145053223432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14378905 (or 14378901 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 34.
Adding to 145053223432 its reverse (234322350541), we get a palindrome (379375573973).
The spelling of 145053223432 in words is "one hundred forty-five billion, fifty-three million, two hundred twenty-three thousand, four hundred thirty-two".
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