Base | Representation |
---|---|
bin | 110100100111101001011110… |
… | …111010110101000010111001 |
3 | 1010100101211021012010012000222 |
4 | 310213221132322311002321 |
5 | 220313113321200314001 |
6 | 2140110133504505425 |
7 | 66513522116126303 |
oct | 6447513672650271 |
9 | 1110354235105028 |
10 | 231423020323001 |
11 | 67813a51872021 |
12 | 21b573b931b275 |
13 | 9c1913565b5a0 |
14 | 4120d10a78973 |
15 | 1bb4c9ce9e61b |
hex | d27a5eeb50b9 |
231423020323001 has 32 divisors (see below), whose sum is σ = 260378396964000. Its totient is φ = 204207391180800.
The previous prime is 231423020322971. The next prime is 231423020323031. The reversal of 231423020323001 is 100323020324132.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (231423020322971) and next prime (231423020323031).
It can be written as a sum of positive squares in 16 ways, for example, as 18578263683001 + 212844756640000 = 4310251^2 + 14589200^2 .
It is a cyclic number.
It is not a de Polignac number, because 231423020323001 - 234 = 231405840453817 is a prime.
It is a super-3 number, since 3×2314230203230013 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231423020323031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2194591325 + ... + 2194696773.
It is an arithmetic number, because the mean of its divisors is an integer number (8136824905125).
Almost surely, 2231423020323001 is an apocalyptic number.
It is an amenable number.
231423020323001 is a deficient number, since it is larger than the sum of its proper divisors (28955376640999).
231423020323001 is a wasteful number, since it uses less digits than its factorization.
231423020323001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163229.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 231423020323001 its reverse (100323020324132), we get a palindrome (331746040647133).
The spelling of 231423020323001 in words is "two hundred thirty-one trillion, four hundred twenty-three billion, twenty million, three hundred twenty-three thousand, one".
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