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106068487561 is a prime number
BaseRepresentation
bin110001011001000101…
…1001010110110001001
3101010210002120110012021
41202302023022312021
53214212013100221
6120421023444441
710443322161031
oct1426213126611
9333702513167
10106068487561
1140a8a994683
1218682156721
13a004b3779a
1451c2dba8c1
152b5bda0041
hex18b22cad89

106068487561 has 2 divisors, whose sum is σ = 106068487562. Its totient is φ = 106068487560.

The previous prime is 106068487477. The next prime is 106068487573. The reversal of 106068487561 is 165784860601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68725244025 + 37343243536 = 262155^2 + 193244^2 .

It is a cyclic number.

It is not a de Polignac number, because 106068487561 - 211 = 106068485513 is a prime.

It is a super-2 number, since 2×1060684875612 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106068487499 and 106068487508.

It is not a weakly prime, because it can be changed into another prime (106068487061) 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, 53034243780 + 53034243781.

It is an arithmetic number, because the mean of its divisors is an integer number (53034243781).

Almost surely, 2106068487561 is an apocalyptic number.

It is an amenable number.

106068487561 is a deficient number, since it is larger than the sum of its proper divisors (1).

106068487561 is an equidigital number, since it uses as much as digits as its factorization.

106068487561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 106068487561 in words is "one hundred six billion, sixty-eight million, four hundred eighty-seven thousand, five hundred sixty-one".