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10867539628181 is a prime number
BaseRepresentation
bin1001111000100100101111…
…0101101101000010010101
31102110221000112002121001102
42132021023311231002111
52411023210121100211
635040251230035445
72201103522456305
oct236111365550225
942427015077042
1010867539628181
11350a996893045
121276251048b85
1360aa5c8b6612
14297dc5413605
1513ca52846a3b
hex9e24bd6d095

10867539628181 has 2 divisors, whose sum is σ = 10867539628182. Its totient is φ = 10867539628180.

The previous prime is 10867539628147. The next prime is 10867539628199. The reversal of 10867539628181 is 18182693576801.

10867539628181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10793754598225 + 73785029956 = 3285385^2 + 271634^2 .

It is a cyclic number.

It is not a de Polignac number, because 10867539628181 - 226 = 10867472519317 is a prime.

It is a super-2 number, since 2×108675396281812 (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 (10867539628681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433769814090 + 5433769814091.

It is an arithmetic number, because the mean of its divisors is an integer number (5433769814091).

Almost surely, 210867539628181 is an apocalyptic number.

It is an amenable number.

10867539628181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10867539628181 is an equidigital number, since it uses as much as digits as its factorization.

10867539628181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 10867539628181 in words is "ten trillion, eight hundred sixty-seven billion, five hundred thirty-nine million, six hundred twenty-eight thousand, one hundred eighty-one".