Base | Representation |
---|---|
bin | 1000011101010111000… |
… | …1100001111111110111 |
3 | 111220002122001211221012 |
4 | 2013111301201333313 |
5 | 4340104013431322 |
6 | 150432001342435 |
7 | 13333114314266 |
oct | 2072561417767 |
9 | 456078054835 |
10 | 145320452087 |
11 | 566a2674588 |
12 | 241b7637a1b |
13 | 1091bc2c7b5 |
14 | 70680a85dd |
15 | 3ba7d76ae2 |
hex | 21d5c61ff7 |
145320452087 has 2 divisors, whose sum is σ = 145320452088. Its totient is φ = 145320452086.
The previous prime is 145320452009. The next prime is 145320452129. The reversal of 145320452087 is 780254023541.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145320452087 - 28 = 145320451831 is a prime.
It is a super-2 number, since 2×1453204520872 (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 (145320452887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72660226043 + 72660226044.
It is an arithmetic number, because the mean of its divisors is an integer number (72660226044).
Almost surely, 2145320452087 is an apocalyptic number.
145320452087 is a deficient number, since it is larger than the sum of its proper divisors (1).
145320452087 is an equidigital number, since it uses as much as digits as its factorization.
145320452087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 268800, while the sum is 41.
The spelling of 145320452087 in words is "one hundred forty-five billion, three hundred twenty million, four hundred fifty-two thousand, eighty-seven".
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