Base | Representation |
---|---|
bin | 1111010000111… |
… | …10011110001011 |
3 | 22220221200001201 |
4 | 13220132132023 |
5 | 230240113313 |
6 | 20412325031 |
7 | 3113262526 |
oct | 750363613 |
9 | 286850051 |
10 | 128051083 |
11 | 66310746 |
12 | 36a73777 |
13 | 206b5694 |
14 | 13013bbd |
15 | b3960dd |
hex | 7a1e78b |
128051083 has 2 divisors, whose sum is σ = 128051084. Its totient is φ = 128051082.
The previous prime is 128051081. The next prime is 128051087. The reversal of 128051083 is 380150821.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 128051083 - 21 = 128051081 is a prime.
Together with 128051081, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (128051081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64025541 + 64025542.
It is an arithmetic number, because the mean of its divisors is an integer number (64025542).
Almost surely, 2128051083 is an apocalyptic number.
128051083 is a deficient number, since it is larger than the sum of its proper divisors (1).
128051083 is an equidigital number, since it uses as much as digits as its factorization.
128051083 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 128051083 is about 11315.9658447699. The cubic root of 128051083 is about 504.0354532778.
The spelling of 128051083 in words is "one hundred twenty-eight million, fifty-one thousand, eighty-three".
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