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230100120421081 is a prime number
BaseRepresentation
bin110100010100011001011011…
…111100001100001011011001
31010011201100122000120011222021
4310110121123330030023121
5220124430021311433311
62133214311440454441
766316120326366301
oct6424313374141331
91104640560504867
10230100120421081
1167353a05309659
1221982b4091a421
139b5146b151331
1440b6c9601a601
151b9067393d171
hexd1465bf0c2d9

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".