Base | Representation |
---|---|
bin | 1100111101100… |
… | …00111100100101 |
3 | 21120120221220201 |
4 | 12132300330211 |
5 | 210313244401 |
6 | 14442230501 |
7 | 2460113356 |
oct | 636607445 |
9 | 246527821 |
10 | 108728101 |
11 | 56413039 |
12 | 304b5431 |
13 | 196ab471 |
14 | 10623d2d |
15 | 982ab01 |
hex | 67b0f25 |
108728101 has 2 divisors, whose sum is σ = 108728102. Its totient is φ = 108728100.
The previous prime is 108728099. The next prime is 108728111. The reversal of 108728101 is 101827801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 68392900 + 40335201 = 8270^2 + 6351^2 .
It is a cyclic number.
It is not a de Polignac number, because 108728101 - 21 = 108728099 is a prime.
Together with 108728099, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 108728101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (108728111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54364050 + 54364051.
It is an arithmetic number, because the mean of its divisors is an integer number (54364051).
Almost surely, 2108728101 is an apocalyptic number.
It is an amenable number.
108728101 is a deficient number, since it is larger than the sum of its proper divisors (1).
108728101 is an equidigital number, since it uses as much as digits as its factorization.
108728101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 896, while the sum is 28.
The square root of 108728101 is about 10427.2767777594. The cubic root of 108728101 is about 477.2880939803.
The spelling of 108728101 in words is "one hundred eight million, seven hundred twenty-eight thousand, one hundred one".
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