Base | Representation |
---|---|
bin | 110010101010001000… |
… | …0100100100101000001 |
3 | 101101210121110110222011 |
4 | 1211110100210211001 |
5 | 3240244140001143 |
6 | 121550524212521 |
7 | 10600602102421 |
oct | 1452420444501 |
9 | 341717413864 |
10 | 108787812673 |
11 | 4215597a901 |
12 | 1910099a141 |
13 | a3493293b7 |
14 | 53a0200481 |
15 | 2c6a9a0e9d |
hex | 1954424941 |
108787812673 has 2 divisors, whose sum is σ = 108787812674. Its totient is φ = 108787812672.
The previous prime is 108787812671. The next prime is 108787812703. The reversal of 108787812673 is 376218787801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 61373621169 + 47414191504 = 247737^2 + 217748^2 .
It is a cyclic number.
It is not a de Polignac number, because 108787812673 - 21 = 108787812671 is a prime.
Together with 108787812671, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (108787812671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54393906336 + 54393906337.
It is an arithmetic number, because the mean of its divisors is an integer number (54393906337).
Almost surely, 2108787812673 is an apocalyptic number.
It is an amenable number.
108787812673 is a deficient number, since it is larger than the sum of its proper divisors (1).
108787812673 is an equidigital number, since it uses as much as digits as its factorization.
108787812673 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6322176, while the sum is 58.
The spelling of 108787812673 in words is "one hundred eight billion, seven hundred eighty-seven million, eight hundred twelve thousand, six hundred seventy-three".
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