Base | Representation |
---|---|
bin | 1101011101010111111… |
… | …1101011111111110111 |
3 | 211002211100211021200001 |
4 | 3113111333223333313 |
5 | 12242021204241413 |
6 | 254120030132131 |
7 | 22463635253305 |
oct | 3272577537767 |
9 | 732740737601 |
10 | 231223508983 |
11 | 8a074708685 |
12 | 38990351047 |
13 | 18a5c01a08c |
14 | b296c19275 |
15 | 60346ce4dd |
hex | 35d5febff7 |
231223508983 has 8 divisors (see below), whose sum is σ = 234685351152. Its totient is φ = 227761982976.
The previous prime is 231223508953. The next prime is 231223508993. The reversal of 231223508983 is 389805322132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231223508983 - 25 = 231223508951 is a prime.
It is a super-2 number, since 2×2312235089832 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231223508933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687941 + ... + 1819777.
It is an arithmetic number, because the mean of its divisors is an integer number (29335668894).
Almost surely, 2231223508983 is an apocalyptic number.
231223508983 is a deficient number, since it is larger than the sum of its proper divisors (3461842169).
231223508983 is a wasteful number, since it uses less digits than its factorization.
231223508983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158081.
The product of its (nonzero) digits is 622080, while the sum is 46.
The spelling of 231223508983 in words is "two hundred thirty-one billion, two hundred twenty-three million, five hundred eight thousand, nine hundred eighty-three".
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