Base | Representation |
---|---|
bin | 1111010100000… |
… | …00100000010011 |
3 | 22221201001212201 |
4 | 13222000200103 |
5 | 230340441002 |
6 | 20425104031 |
7 | 3116554312 |
oct | 752004023 |
9 | 287631781 |
10 | 128452627 |
11 | 665653a6 |
12 | 37028017 |
13 | 207c6394 |
14 | 130ba279 |
15 | b425087 |
hex | 7a80813 |
128452627 has 2 divisors, whose sum is σ = 128452628. Its totient is φ = 128452626.
The previous prime is 128452607. The next prime is 128452633. The reversal of 128452627 is 726254821.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-128452627 is a prime.
It is a super-2 number, since 2×1284526272 = 33000154766402258, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (128452607) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64226313 + 64226314.
It is an arithmetic number, because the mean of its divisors is an integer number (64226314).
Almost surely, 2128452627 is an apocalyptic number.
128452627 is a deficient number, since it is larger than the sum of its proper divisors (1).
128452627 is an equidigital number, since it uses as much as digits as its factorization.
128452627 is an evil number, because the sum of its binary digits is even.
The product of its digits is 53760, while the sum is 37.
The square root of 128452627 is about 11333.6943226823. The cubic root of 128452627 is about 504.5617568444.
The spelling of 128452627 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, six hundred twenty-seven".
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