Base | Representation |
---|---|
bin | 1111010000111… |
… | …10011100111110 |
3 | 22220221122221212 |
4 | 13220132130332 |
5 | 230240113011 |
6 | 20412324422 |
7 | 3113262356 |
oct | 750363476 |
9 | 286848855 |
10 | 128051006 |
11 | 66310686 |
12 | 36a73712 |
13 | 206b5635 |
14 | 13013b66 |
15 | b39608b |
hex | 7a1e73e |
128051006 has 16 divisors (see below), whose sum is σ = 198011616. Its totient is φ = 62060256.
The previous prime is 128050999. The next prime is 128051039. The reversal of 128051006 is 600150821.
It is a super-2 number, since 2×1280510062 = 32794120275224072, 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 (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17375 + ... + 23621.
It is an arithmetic number, because the mean of its divisors is an integer number (12375726).
Almost surely, 2128051006 is an apocalyptic number.
128051006 is a deficient number, since it is larger than the sum of its proper divisors (69960610).
128051006 is a wasteful number, since it uses less digits than its factorization.
128051006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6563.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 128051006 is about 11315.9624424969. The cubic root of 128051006 is about 504.0353522485.
The spelling of 128051006 in words is "one hundred twenty-eight million, fifty-one thousand, six".
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