Base | Representation |
---|---|
bin | 111011100111011001… |
… | …0110110011011111101 |
3 | 110020110011210001020001 |
4 | 1313032302312123331 |
5 | 4044143003111003 |
6 | 134451351354301 |
7 | 12151353460303 |
oct | 1671662663375 |
9 | 406404701201 |
10 | 128023488253 |
11 | 4a326a15651 |
12 | 2098a982991 |
13 | c0c356255b |
14 | 62a6ba6273 |
15 | 34e459061d |
hex | 1dcecb66fd |
128023488253 has 4 divisors (see below), whose sum is σ = 128034413248. Its totient is φ = 128012563260.
The previous prime is 128023488221. The next prime is 128023488277. The reversal of 128023488253 is 352884320821.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 128023488253 - 25 = 128023488221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128023488953) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444901 + ... + 5468362.
It is an arithmetic number, because the mean of its divisors is an integer number (32008603312).
Almost surely, 2128023488253 is an apocalyptic number.
It is an amenable number.
128023488253 is a deficient number, since it is larger than the sum of its proper divisors (10924995).
128023488253 is a wasteful number, since it uses less digits than its factorization.
128023488253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10924994.
The product of its (nonzero) digits is 737280, while the sum is 46.
The spelling of 128023488253 in words is "one hundred twenty-eight billion, twenty-three million, four hundred eighty-eight thousand, two hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •