Base | Representation |
---|---|
bin | 110100010101111110000011… |
… | …001000111010111101111001 |
3 | 1010012002200110221111211022121 |
4 | 310111332003020322331321 |
5 | 220133212243434033111 |
6 | 2133340055401521241 |
7 | 66326663421661300 |
oct | 6425760310727571 |
9 | 1105080427454277 |
10 | 230208152252281 |
11 | 67395802483385 |
12 | 2199ba704a3221 |
13 | 9b5b6c696a4c8 |
14 | 40bc1c3a6d437 |
15 | 1b93397d5e871 |
hex | d15f8323af79 |
230208152252281 has 12 divisors (see below), whose sum is σ = 269152512838308. Its totient is φ = 196319642521632.
The previous prime is 230208152252257. The next prime is 230208152252333. The reversal of 230208152252281 is 182252251802032.
It can be written as a sum of positive squares in 2 ways, for example, as 149785997986681 + 80422154265600 = 12238709^2 + 8967840^2 .
It is not a de Polignac number, because 230208152252281 - 241 = 228009128996729 is a prime.
It is a super-2 number, since 2×2302081522522812 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230208152252581) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11924166886 + ... + 11924186191.
It is an arithmetic number, because the mean of its divisors is an integer number (22429376069859).
Almost surely, 2230208152252281 is an apocalyptic number.
It is an amenable number.
230208152252281 is a deficient number, since it is larger than the sum of its proper divisors (38944360586027).
230208152252281 is a wasteful number, since it uses less digits than its factorization.
230208152252281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23848353288 (or 23848353281 counting only the distinct ones).
The product of its (nonzero) digits is 307200, while the sum is 43.
The spelling of 230208152252281 in words is "two hundred thirty trillion, two hundred eight billion, one hundred fifty-two million, two hundred fifty-two thousand, two hundred eighty-one".
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