Base | Representation |
---|---|
bin | 10110001001011111… |
… | …001001011100101010 |
3 | 2021101101001100221020 |
4 | 112021133021130222 |
5 | 342201024331414 |
6 | 14531451353310 |
7 | 1501220150421 |
oct | 261137113452 |
9 | 67341040836 |
10 | 23781480234 |
11 | a0a40310a6 |
12 | 4738452836 |
13 | 231cc595c5 |
14 | 12185d62b8 |
15 | 942c297a9 |
hex | 5897c972a |
23781480234 has 32 divisors (see below), whose sum is σ = 50379428736. Its totient is φ = 7458094080.
The previous prime is 23781480221. The next prime is 23781480263. The reversal of 23781480234 is 43208418732.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242914 + ... + 326450.
It is an arithmetic number, because the mean of its divisors is an integer number (1574357148).
Almost surely, 223781480234 is an apocalyptic number.
23781480234 is an abundant number, since it is smaller than the sum of its proper divisors (26597948502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23781480234 is a wasteful number, since it uses less digits than its factorization.
23781480234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86350.
The product of its (nonzero) digits is 258048, while the sum is 42.
Adding to 23781480234 its reverse (43208418732), we get a palindrome (66989898966).
The spelling of 23781480234 in words is "twenty-three billion, seven hundred eighty-one million, four hundred eighty thousand, two hundred thirty-four".
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