Base | Representation |
---|---|
bin | 11101010010001001000101… |
… | …001010110100000011000000 |
3 | 121220000012122000020122221200 |
4 | 131102021011022310003000 |
5 | 113340044010222103014 |
6 | 1133525155422021200 |
7 | 36061526331540210 |
oct | 3522110512640300 |
9 | 556005560218850 |
10 | 128790049800384 |
11 | 3804460a620975 |
12 | 1254045b117800 |
13 | 56b2b076c85cb |
14 | 23b3686396240 |
15 | ed51d108aa09 |
hex | 7522452b40c0 |
128790049800384 has 84 divisors (see below), whose sum is σ = 421889627434704. Its totient is φ = 36797157084672.
The previous prime is 128790049800383. The next prime is 128790049800437. The reversal of 128790049800384 is 483008940097821.
128790049800384 is a `hidden beast` number, since 1 + 2 + 87 + 90 + 0 + 4 + 98 + 0 + 0 + 384 = 666.
It is a tau number, because it is divible by the number of its divisors (84).
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (128790049800383) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 15970984287 + ... + 15970992350.
Almost surely, 2128790049800384 is an apocalyptic number.
128790049800384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
128790049800384 is an abundant number, since it is smaller than the sum of its proper divisors (293099577634320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128790049800384 is a wasteful number, since it uses less digits than its factorization.
128790049800384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31941976662 (or 31941976649 counting only the distinct ones).
The product of its (nonzero) digits is 27869184, while the sum is 63.
The spelling of 128790049800384 in words is "one hundred twenty-eight trillion, seven hundred ninety billion, forty-nine million, eight hundred thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •