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10861030849 is a prime number
BaseRepresentation
bin10100001110101111…
…00010110111000001
31001000220221112101211
422013113202313001
5134220410441344
64553421330121
7533101144654
oct120727426701
931026845354
1010861030849
114673850259
122131406941
1310411bb596
1475065789b
1543878d334
hex2875e2dc1

10861030849 has 2 divisors, whose sum is σ = 10861030850. Its totient is φ = 10861030848.

The previous prime is 10861030841. The next prime is 10861030879. The reversal of 10861030849 is 94803016801.

10861030849 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., 10820160400 + 40870449 = 104020^2 + 6393^2 .

It is a cyclic number.

It is not a de Polignac number, because 10861030849 - 23 = 10861030841 is a prime.

It is a super-2 number, since 2×108610308492 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10861030841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5430515424 + 5430515425.

It is an arithmetic number, because the mean of its divisors is an integer number (5430515425).

Almost surely, 210861030849 is an apocalyptic number.

It is an amenable number.

10861030849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10861030849 is an equidigital number, since it uses as much as digits as its factorization.

10861030849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 10861030849 in words is "ten billion, eight hundred sixty-one million, thirty thousand, eight hundred forty-nine".