Base | Representation |
---|---|
bin | 1000011100111100011… |
… | …1000011001101101010 |
3 | 111212210211200211221022 |
4 | 2013033013003031222 |
5 | 4334341403341100 |
6 | 150412525212442 |
7 | 13330256116355 |
oct | 2071707031552 |
9 | 455724624838 |
10 | 145208652650 |
11 | 56645553a56 |
12 | 24186101122 |
13 | 10901a17399 |
14 | 70572c529c |
15 | 3b9d140e85 |
hex | 21cf1c336a |
145208652650 has 24 divisors (see below), whose sum is σ = 285975630540. Its totient is φ = 54666786560.
The previous prime is 145208652649. The next prime is 145208652653. The reversal of 145208652650 is 56256802541.
It is a happy number.
145208652650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 100331196001 + 44877456649 = 316751^2 + 211843^2 .
It is not an unprimeable number, because it can be changed into a prime (145208652653) 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 11 ways as a sum of consecutive naturals, for example, 85416005 + ... + 85417704.
Almost surely, 2145208652650 is an apocalyptic number.
145208652650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145208652650 is a deficient number, since it is larger than the sum of its proper divisors (140766977890).
145208652650 is a wasteful number, since it uses less digits than its factorization.
145208652650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170833738 (or 170833733 counting only the distinct ones).
The product of its (nonzero) digits is 576000, while the sum is 44.
The spelling of 145208652650 in words is "one hundred forty-five billion, two hundred eight million, six hundred fifty-two thousand, six hundred fifty".
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