Base | Representation |
---|---|
bin | 1111010100000… |
… | …00011000011100 |
3 | 22221201001012002 |
4 | 13222000120130 |
5 | 230340431444 |
6 | 20425101432 |
7 | 3116552663 |
oct | 752003034 |
9 | 287631162 |
10 | 128452124 |
11 | 66564a89 |
12 | 37027878 |
13 | 207c6098 |
14 | 130b9dda |
15 | b424d4e |
hex | 7a8061c |
128452124 has 24 divisors (see below), whose sum is σ = 228708480. Its totient is φ = 63116784.
The previous prime is 128452099. The next prime is 128452147. The reversal of 128452124 is 421254821.
It is a super-2 number, since 2×1284521242 = 32999896320222752, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56147 + ... + 58389.
It is an arithmetic number, because the mean of its divisors is an integer number (9529520).
Almost surely, 2128452124 is an apocalyptic number.
It is an amenable number.
128452124 is a deficient number, since it is larger than the sum of its proper divisors (100256356).
128452124 is a wasteful number, since it uses less digits than its factorization.
128452124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2489 (or 2487 counting only the distinct ones).
The product of its digits is 5120, while the sum is 29.
The square root of 128452124 is about 11333.6721321909. The cubic root of 128452124 is about 504.5610982491.
The spelling of 128452124 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, one hundred twenty-four".
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