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2011000097 is a prime number
BaseRepresentation
bin111011111011101…
…0110110100100001
312012011001101112002
41313313112310201
513104304000342
6531314413345
7100556135021
oct16767266441
95164041462
102011000097
11942180157
12481591255
132608291b2
1415111da81
15bb836d32
hex77dd6d21

2011000097 has 2 divisors, whose sum is σ = 2011000098. Its totient is φ = 2011000096.

The previous prime is 2011000081. The next prime is 2011000127. The reversal of 2011000097 is 7900001102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535934481 + 475065616 = 39191^2 + 21796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011000097 - 24 = 2011000081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011000007) 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, 1005500048 + 1005500049.

It is an arithmetic number, because the mean of its divisors is an integer number (1005500049).

Almost surely, 22011000097 is an apocalyptic number.

It is an amenable number.

2011000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011000097 is an equidigital number, since it uses as much as digits as its factorization.

2011000097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 2011000097 is about 44844.1757310802. The cubic root of 2011000097 is about 1262.2267036050.

Adding to 2011000097 its reverse (7900001102), we get a palindrome (9911001199).

The spelling of 2011000097 in words is "two billion, eleven million, ninety-seven", and thus it is an aban number and an uban number.