Base | Representation |
---|---|
bin | 1000011110000010101… |
… | …1111101010100000111 |
3 | 111220120101120201000001 |
4 | 2013200223331110013 |
5 | 4340442401243422 |
6 | 150502101502131 |
7 | 13340466454564 |
oct | 2074053752407 |
9 | 456511521001 |
10 | 145503540487 |
11 | 56786a56608 |
12 | 24248a11947 |
13 | 1094ab45326 |
14 | 708452786b |
15 | 3bb8e90227 |
hex | 21e0afd507 |
145503540487 has 2 divisors, whose sum is σ = 145503540488. Its totient is φ = 145503540486.
The previous prime is 145503540473. The next prime is 145503540527. The reversal of 145503540487 is 784045305541.
145503540487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145503540487 - 215 = 145503507719 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145503540187) 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 as a sum of consecutive naturals, namely, 72751770243 + 72751770244.
It is an arithmetic number, because the mean of its divisors is an integer number (72751770244).
Almost surely, 2145503540487 is an apocalyptic number.
145503540487 is a deficient number, since it is larger than the sum of its proper divisors (1).
145503540487 is an equidigital number, since it uses as much as digits as its factorization.
145503540487 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344000, while the sum is 46.
The spelling of 145503540487 in words is "one hundred forty-five billion, five hundred three million, five hundred forty thousand, four hundred eighty-seven".
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