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9106945961 is a prime number
BaseRepresentation
bin10000111101101000…
…01111011110101001
3212111200022210021212
420132310033132221
5122122334232321
64103401242505
7441451522601
oct103664173651
925450283255
109106945961
1139536a7323
121921a93435
13b21986529
146256d3c01
153847a455b
hex21ed0f7a9

9106945961 has 2 divisors, whose sum is σ = 9106945962. Its totient is φ = 9106945960.

The previous prime is 9106945937. The next prime is 9106946047. The reversal of 9106945961 is 1695496019.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5092963225 + 4013982736 = 71365^2 + 63356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9106945961 is a prime.

It is not a weakly prime, because it can be changed into another prime (9106945921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4553472980 + 4553472981.

It is an arithmetic number, because the mean of its divisors is an integer number (4553472981).

Almost surely, 29106945961 is an apocalyptic number.

It is an amenable number.

9106945961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9106945961 is an equidigital number, since it uses as much as digits as its factorization.

9106945961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 9106945961 is about 95430.3199250636. The cubic root of 9106945961 is about 2088.2905338961.

The spelling of 9106945961 in words is "nine billion, one hundred six million, nine hundred forty-five thousand, nine hundred sixty-one".