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10234313115581 is a prime number
BaseRepresentation
bin1001010011101101110010…
…0110010000011110111101
31100020101112212200210222102
42110323130212100132331
52320134333124144311
633433324544154445
72104255551100202
oct224733446203675
940211485623872
1010234313115581
113296390a44885
12119358a908a25
135931262a1989
142754b43d7ca9
1512b3409b643b
hex94edc9907bd

10234313115581 has 2 divisors, whose sum is σ = 10234313115582. Its totient is φ = 10234313115580.

The previous prime is 10234313115517. The next prime is 10234313115599. The reversal of 10234313115581 is 18551131343201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6693552096100 + 3540761019481 = 2587190^2 + 1881691^2 .

It is a cyclic number.

It is not a de Polignac number, because 10234313115581 - 26 = 10234313115517 is a prime.

It is a super-2 number, since 2×102343131155812 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10234313115181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5117156557790 + 5117156557791.

It is an arithmetic number, because the mean of its divisors is an integer number (5117156557791).

Almost surely, 210234313115581 is an apocalyptic number.

It is an amenable number.

10234313115581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10234313115581 is an equidigital number, since it uses as much as digits as its factorization.

10234313115581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

Adding to 10234313115581 its reverse (18551131343201), we get a palindrome (28785444458782).

The spelling of 10234313115581 in words is "ten trillion, two hundred thirty-four billion, three hundred thirteen million, one hundred fifteen thousand, five hundred eighty-one".