Base | Representation |
---|---|
bin | 1000011101100110100… |
… | …1000110000000010111 |
3 | 111220021011011221221212 |
4 | 2013121221012000113 |
5 | 4340222122133033 |
6 | 150442240332035 |
7 | 13334533035446 |
oct | 2073151060027 |
9 | 456234157855 |
10 | 145385349143 |
11 | 5672626a711 |
12 | 2421531401b |
13 | 1092c502718 |
14 | 707295cd5d |
15 | 3bad8e5748 |
hex | 21d9a46017 |
145385349143 has 2 divisors, whose sum is σ = 145385349144. Its totient is φ = 145385349142.
The previous prime is 145385349077. The next prime is 145385349149. The reversal of 145385349143 is 341943583541.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145385349143 - 218 = 145385086999 is a prime.
It is a super-2 number, since 2×1453853491432 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145385349091 and 145385349100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145385349149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72692674571 + 72692674572.
It is an arithmetic number, because the mean of its divisors is an integer number (72692674572).
Almost surely, 2145385349143 is an apocalyptic number.
145385349143 is a deficient number, since it is larger than the sum of its proper divisors (1).
145385349143 is an equidigital number, since it uses as much as digits as its factorization.
145385349143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3110400, while the sum is 50.
The spelling of 145385349143 in words is "one hundred forty-five billion, three hundred eighty-five million, three hundred forty-nine thousand, one hundred forty-three".
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