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106030681 is a prime number
BaseRepresentation
bin1100101000111…
…10011001011001
321101111220202021
412110132121121
5204120440211
614304334441
72425150231
oct624363131
9241456667
10106030681
1154940469
122b614421
1318c75763
1410120cc1
159496771
hex651e659

106030681 has 2 divisors, whose sum is σ = 106030682. Its totient is φ = 106030680.

The previous prime is 106030679. The next prime is 106030723. The reversal of 106030681 is 186030601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97713225 + 8317456 = 9885^2 + 2884^2 .

It is a cyclic number.

It is not a de Polignac number, because 106030681 - 21 = 106030679 is a prime.

It is a super-2 number, since 2×1060306812 = 22485010626647522, which contains 22 as substring.

Together with 106030679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106030651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53015340 + 53015341.

It is an arithmetic number, because the mean of its divisors is an integer number (53015341).

Almost surely, 2106030681 is an apocalyptic number.

It is an amenable number.

106030681 is a deficient number, since it is larger than the sum of its proper divisors (1).

106030681 is an equidigital number, since it uses as much as digits as its factorization.

106030681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 106030681 is about 10297.1200342620. The cubic root of 106030681 is about 473.3080055988.

The spelling of 106030681 in words is "one hundred six million, thirty thousand, six hundred eighty-one".