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10000100161 is a prime number
BaseRepresentation
bin10010101000000110…
…10110101101000001
3221210220221201112001
421110003112231001
5130440011201121
64332144504001
7502545306652
oct112403265501
927726851461
1010000100161
114271883297
121b3101b001
13c34a23c3c
146ac18b529
153d7dcc991
hex2540d6b41

10000100161 has 2 divisors, whose sum is σ = 10000100162. Its totient is φ = 10000100160.

The previous prime is 10000100141. The next prime is 10000100207. The reversal of 10000100161 is 16100100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5065880625 + 4934219536 = 71175^2 + 70244^2 .

It is an emirp because it is prime and its reverse (16100100001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10000100161 - 29 = 10000099649 is a prime.

It is not a weakly prime, because it can be changed into another prime (10000100141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000050080 + 5000050081.

It is an arithmetic number, because the mean of its divisors is an integer number (5000050081).

Almost surely, 210000100161 is an apocalyptic number.

It is an amenable number.

10000100161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000100161 is an equidigital number, since it uses as much as digits as its factorization.

10000100161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10000100161 its reverse (16100100001), we get a palindrome (26100200162).

The spelling of 10000100161 in words is "ten billion, one hundred thousand, one hundred sixty-one".