Base | Representation |
---|---|
bin | 1000011100100101000… |
… | …0010100101111101101 |
3 | 111212112222212010201002 |
4 | 2013021100110233231 |
5 | 4334141231423321 |
6 | 150355055530045 |
7 | 13324654136216 |
oct | 2071120245755 |
9 | 455488763632 |
10 | 145110420461 |
11 | 565a505a726 |
12 | 24159229925 |
13 | 108b7572426 |
14 | 704823440d |
15 | 3b946da20b |
hex | 21c9414bed |
145110420461 has 2 divisors, whose sum is σ = 145110420462. Its totient is φ = 145110420460.
The previous prime is 145110420397. The next prime is 145110420473. The reversal of 145110420461 is 164024011541.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 82954944361 + 62155476100 = 288019^2 + 249310^2 .
It is a cyclic number.
It is not a de Polignac number, because 145110420461 - 26 = 145110420397 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145110420061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72555210230 + 72555210231.
It is an arithmetic number, because the mean of its divisors is an integer number (72555210231).
Almost surely, 2145110420461 is an apocalyptic number.
It is an amenable number.
145110420461 is a deficient number, since it is larger than the sum of its proper divisors (1).
145110420461 is an equidigital number, since it uses as much as digits as its factorization.
145110420461 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3840, while the sum is 29.
The spelling of 145110420461 in words is "one hundred forty-five billion, one hundred ten million, four hundred twenty thousand, four hundred sixty-one".
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