Base | Representation |
---|---|
bin | 1000011111110010010… |
… | …0011000011000111110 |
3 | 111221202222210011202122 |
4 | 2013330210120120332 |
5 | 4342422124110121 |
6 | 151020331522542 |
7 | 13355206500455 |
oct | 2077444303076 |
9 | 457688704678 |
10 | 145971316286 |
11 | 569a7003484 |
12 | 243595b9452 |
13 | 109c3a26c43 |
14 | 70ca6d1b9c |
15 | 3be50905ab |
hex | 21fc91863e |
145971316286 has 4 divisors (see below), whose sum is σ = 218956974432. Its totient is φ = 72985658142.
The previous prime is 145971316243. The next prime is 145971316303. The reversal of 145971316286 is 682613179541.
145971316286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 682613179541 = 14969 ⋅45601789.
It is a congruent number.
It is an unprimeable number.
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, 36492829070 + ... + 36492829073.
It is an arithmetic number, because the mean of its divisors is an integer number (54739243608).
Almost surely, 2145971316286 is an apocalyptic number.
145971316286 is a deficient number, since it is larger than the sum of its proper divisors (72985658146).
145971316286 is an equidigital number, since it uses as much as digits as its factorization.
145971316286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72985658145.
The product of its digits is 2177280, while the sum is 53.
The spelling of 145971316286 in words is "one hundred forty-five billion, nine hundred seventy-one million, three hundred sixteen thousand, two hundred eighty-six".
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