Base | Representation |
---|---|
bin | 111011110100101010… |
… | …1101111001010111011 |
3 | 110021121012210022112200 |
4 | 1313221111233022323 |
5 | 4101101010404042 |
6 | 135003501041243 |
7 | 12165402063243 |
oct | 1675125571273 |
9 | 407535708480 |
10 | 128468841147 |
11 | 4a535347899 |
12 | 20a93b56223 |
13 | c1648c2c8a |
14 | 6309db4b23 |
15 | 351d711c4c |
hex | 1de956f2bb |
128468841147 has 48 divisors (see below), whose sum is σ = 199991488320. Its totient is φ = 79274916864.
The previous prime is 128468841139. The next prime is 128468841173. The reversal of 128468841147 is 741148864821.
128468841147 is a `hidden beast` number, since 128 + 4 + 68 + 8 + 411 + 47 = 666.
It is not a de Polignac number, because 128468841147 - 23 = 128468841139 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 128468841093 and 128468841102.
It is not an unprimeable number, because it can be changed into a prime (128468841647) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720679 + ... + 881087.
It is an arithmetic number, because the mean of its divisors is an integer number (4166489340).
Almost surely, 2128468841147 is an apocalyptic number.
128468841147 is a deficient number, since it is larger than the sum of its proper divisors (71522647173).
128468841147 is a wasteful number, since it uses less digits than its factorization.
128468841147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160564 (or 160561 counting only the distinct ones).
The product of its digits is 2752512, while the sum is 54.
The spelling of 128468841147 in words is "one hundred twenty-eight billion, four hundred sixty-eight million, eight hundred forty-one thousand, one hundred forty-seven".
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