Base | Representation |
---|---|
bin | 110100010100011001011011… |
… | …111100001100001011011001 |
3 | 1010011201100122000120011222021 |
4 | 310110121123330030023121 |
5 | 220124430021311433311 |
6 | 2133214311440454441 |
7 | 66316120326366301 |
oct | 6424313374141331 |
9 | 1104640560504867 |
10 | 230100120421081 |
11 | 67353a05309659 |
12 | 21982b4091a421 |
13 | 9b5146b151331 |
14 | 40b6c9601a601 |
15 | 1b9067393d171 |
hex | d1465bf0c2d9 |
230100120421081 has 2 divisors, whose sum is σ = 230100120421082. Its totient is φ = 230100120421080.
The previous prime is 230100120421069. The next prime is 230100120421121. The reversal of 230100120421081 is 180124021001032.
230100120421081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 161238188161600 + 68861932259481 = 12697960^2 + 8298309^2 .
It is a cyclic number.
It is not a de Polignac number, because 230100120421081 - 25 = 230100120421049 is a prime.
It is a super-2 number, since 2×2301001204210812 (a number of 30 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (230100120421181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115050060210540 + 115050060210541.
It is an arithmetic number, because the mean of its divisors is an integer number (115050060210541).
Almost surely, 2230100120421081 is an apocalyptic number.
It is an amenable number.
230100120421081 is a deficient number, since it is larger than the sum of its proper divisors (1).
230100120421081 is an equidigital number, since it uses as much as digits as its factorization.
230100120421081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 25.
The spelling of 230100120421081 in words is "two hundred thirty trillion, one hundred billion, one hundred twenty million, four hundred twenty-one thousand, eighty-one".
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