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10302001081 is a prime number
BaseRepresentation
bin10011001100000110…
…00000111110111001
3222120222000212201121
421212003000332321
5132044303013311
64422131345241
7513202364401
oct114603007671
928528025647
1010302001081
114407235989
121bb6152221
13c82439038
146da2d7801
15404664b71
hex2660c0fb9

10302001081 has 2 divisors, whose sum is σ = 10302001082. Its totient is φ = 10302001080.

The previous prime is 10302001051. The next prime is 10302001117. The reversal of 10302001081 is 18010020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8738510400 + 1563490681 = 93480^2 + 39541^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302001081 - 27 = 10302000953 is a prime.

It is a super-2 number, since 2×103020010812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10302001051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151000540 + 5151000541.

It is an arithmetic number, because the mean of its divisors is an integer number (5151000541).

Almost surely, 210302001081 is an apocalyptic number.

It is an amenable number.

10302001081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302001081 is an equidigital number, since it uses as much as digits as its factorization.

10302001081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10302001081 its reverse (18010020301), we get a palindrome (28312021382).

The spelling of 10302001081 in words is "ten billion, three hundred two million, one thousand, eighty-one".