Base | Representation |
---|---|
bin | 1111010000111… |
… | …00100001000010 |
3 | 22220221021002002 |
4 | 13220130201002 |
5 | 230234334244 |
6 | 20412224002 |
7 | 3113230265 |
oct | 750344102 |
9 | 286837062 |
10 | 128043074 |
11 | 66305725 |
12 | 36a6b002 |
13 | 206b1b43 |
14 | 13010cdc |
15 | b393a4e |
hex | 7a1c842 |
128043074 has 8 divisors (see below), whose sum is σ = 192142908. Its totient is φ = 63995440.
The previous prime is 128043073. The next prime is 128043089. The reversal of 128043074 is 470340821.
It can be written as a sum of positive squares in 2 ways, for example, as 127531849 + 511225 = 11293^2 + 715^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (128043073) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 6197 + ... + 17160.
Almost surely, 2128043074 is an apocalyptic number.
128043074 is a deficient number, since it is larger than the sum of its proper divisors (64099834).
128043074 is a wasteful number, since it uses less digits than its factorization.
128043074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26100.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 128043074 is about 11315.6119587055. The cubic root of 128043074 is about 504.0249447005.
Adding to 128043074 its reverse (470340821), we get a palindrome (598383895).
The spelling of 128043074 in words is "one hundred twenty-eight million, forty-three thousand, seventy-four".
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