Base | Representation |
---|---|
bin | 100101010100011100… |
… | …0110010101110011101 |
3 | 21122212021221200210021 |
4 | 1022220320302232131 |
5 | 2303113033341303 |
6 | 100452255512141 |
7 | 5535005111311 |
oct | 1125070625635 |
9 | 248767850707 |
10 | 80142871453 |
11 | 30a9661a567 |
12 | 13647828651 |
13 | 7732909138 |
14 | 3c43b29b41 |
15 | 2140ce0ebd |
hex | 12a8e32b9d |
80142871453 has 2 divisors, whose sum is σ = 80142871454. Its totient is φ = 80142871452.
The previous prime is 80142871441. The next prime is 80142871541. The reversal of 80142871453 is 35417824108.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 76351637124 + 3791234329 = 276318^2 + 61573^2 .
It is a cyclic number.
It is not a de Polignac number, because 80142871453 - 229 = 79606000541 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80142871423) by changing a digit.
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, 40071435726 + 40071435727.
It is an arithmetic number, because the mean of its divisors is an integer number (40071435727).
Almost surely, 280142871453 is an apocalyptic number.
It is an amenable number.
80142871453 is a deficient number, since it is larger than the sum of its proper divisors (1).
80142871453 is an equidigital number, since it uses as much as digits as its factorization.
80142871453 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 215040, while the sum is 43.
The spelling of 80142871453 in words is "eighty billion, one hundred forty-two million, eight hundred seventy-one thousand, four hundred fifty-three".
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