Base | Representation |
---|---|
bin | 1101011001101101000… |
… | …1101101101101000011 |
3 | 211000021201010111010200 |
4 | 3112123101231231003 |
5 | 12233012011110234 |
6 | 253434155300243 |
7 | 22430343633561 |
oct | 3263321555503 |
9 | 730251114120 |
10 | 230238378819 |
11 | 89709620819 |
12 | 3875644a683 |
13 | 18932bb8217 |
14 | b20205ca31 |
15 | 5ec7e88d99 |
hex | 359b46db43 |
230238378819 has 24 divisors (see below), whose sum is σ = 341598059712. Its totient is φ = 149324912640.
The previous prime is 230238378763. The next prime is 230238378827. The reversal of 230238378819 is 918873832032.
230238378819 is a `hidden beast` number, since 2 + 30 + 238 + 378 + 8 + 1 + 9 = 666.
It is not a de Polignac number, because 230238378819 - 27 = 230238378691 is a prime.
It is a super-2 number, since 2×2302383788192 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (230238378889) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2885379 + ... + 2964099.
It is an arithmetic number, because the mean of its divisors is an integer number (14233252488).
Almost surely, 2230238378819 is an apocalyptic number.
230238378819 is a deficient number, since it is larger than the sum of its proper divisors (111359680893).
230238378819 is a wasteful number, since it uses less digits than its factorization.
230238378819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87547 (or 87544 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The spelling of 230238378819 in words is "two hundred thirty billion, two hundred thirty-eight million, three hundred seventy-eight thousand, eight hundred nineteen".
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