Base | Representation |
---|---|
bin | 1000011101010010010… |
… | …0100001010000100101 |
3 | 111220001020002012001021 |
4 | 2013110210201100211 |
5 | 4340033331421343 |
6 | 150430000531141 |
7 | 13332450602644 |
oct | 2072444412045 |
9 | 456036065037 |
10 | 145300263973 |
11 | 56692235997 |
12 | 241b0920ab1 |
13 | 109179b1877 |
14 | 706553135b |
15 | 3ba61da0ed |
hex | 21d4921425 |
145300263973 has 2 divisors, whose sum is σ = 145300263974. Its totient is φ = 145300263972.
The previous prime is 145300263937. The next prime is 145300263991. The reversal of 145300263973 is 379362003541.
It is a happy number.
Together with previous prime (145300263937) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 131009974209 + 14290289764 = 361953^2 + 119542^2 .
It is a cyclic number.
It is not a de Polignac number, because 145300263973 - 213 = 145300255781 is a prime.
It is a super-2 number, since 2×1453002639732 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145300213973) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72650131986 + 72650131987.
It is an arithmetic number, because the mean of its divisors is an integer number (72650131987).
Almost surely, 2145300263973 is an apocalyptic number.
It is an amenable number.
145300263973 is a deficient number, since it is larger than the sum of its proper divisors (1).
145300263973 is an equidigital number, since it uses as much as digits as its factorization.
145300263973 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 408240, while the sum is 43.
The spelling of 145300263973 in words is "one hundred forty-five billion, three hundred million, two hundred sixty-three thousand, nine hundred seventy-three".
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