Base | Representation |
---|---|
bin | 111011110011010100… |
… | …0101010010011111111 |
3 | 110021111001102020111020 |
4 | 1313212220222103333 |
5 | 4101002402022320 |
6 | 134555200355223 |
7 | 12164311325646 |
oct | 1674650522377 |
9 | 407431366436 |
10 | 128423470335 |
11 | 4a511779056 |
12 | 20a80915b13 |
13 | c158398944 |
14 | 6303d6435d |
15 | 351974d940 |
hex | 1de6a2a4ff |
128423470335 has 32 divisors (see below), whose sum is σ = 214935828480. Its totient is φ = 65354327808.
The previous prime is 128423470309. The next prime is 128423470337. The reversal of 128423470335 is 533074324821.
It is not a de Polignac number, because 128423470335 - 217 = 128423339263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128423470337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313959 + ... + 596168.
It is an arithmetic number, because the mean of its divisors is an integer number (6716744640).
Almost surely, 2128423470335 is an apocalyptic number.
128423470335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
128423470335 is a deficient number, since it is larger than the sum of its proper divisors (86512358145).
128423470335 is a wasteful number, since it uses less digits than its factorization.
128423470335 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 910567.
The product of its (nonzero) digits is 483840, while the sum is 42.
The spelling of 128423470335 in words is "one hundred twenty-eight billion, four hundred twenty-three million, four hundred seventy thousand, three hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •