Base | Representation |
---|---|
bin | 111011111001111110… |
… | …1010111000110000011 |
3 | 110022001122000202011102 |
4 | 1313303331113012003 |
5 | 4101432113003301 |
6 | 135033303405015 |
7 | 12202664314154 |
oct | 1676375270603 |
9 | 408048022142 |
10 | 128647000451 |
11 | 4a616972592 |
12 | 20b2375376b |
13 | c1927a1098 |
14 | 632590d92b |
15 | 352e1a4b6b |
hex | 1df3f57183 |
128647000451 has 2 divisors, whose sum is σ = 128647000452. Its totient is φ = 128647000450.
The previous prime is 128647000441. The next prime is 128647000457. The reversal of 128647000451 is 154000746821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 128647000451 - 234 = 111467131267 is a prime.
It is a super-3 number, since 3×1286470004513 (a number of 34 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (128647000457) 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, 64323500225 + 64323500226.
It is an arithmetic number, because the mean of its divisors is an integer number (64323500226).
Almost surely, 2128647000451 is an apocalyptic number.
128647000451 is a deficient number, since it is larger than the sum of its proper divisors (1).
128647000451 is an equidigital number, since it uses as much as digits as its factorization.
128647000451 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 53760, while the sum is 38.
The spelling of 128647000451 in words is "one hundred twenty-eight billion, six hundred forty-seven million, four hundred fifty-one", and thus it is an aban number.
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