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10005666611 is a prime number
BaseRepresentation
bin10010101000110001…
…00101101100110011
3221211022102112020212
421110120211230303
5130442422312421
64332504054335
7502643522453
oct112430455463
927738375225
1010005666611
114274a35466
121b32a643ab
13c35c227b5
146acbd9d63
153d862be5b
hex254625b33

10005666611 has 2 divisors, whose sum is σ = 10005666612. Its totient is φ = 10005666610.

The previous prime is 10005666481. The next prime is 10005666617. The reversal of 10005666611 is 11666650001.

It is a strong prime.

It is an emirp because it is prime and its reverse (11666650001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10005666611 is a prime.

It is a super-2 number, since 2×100056666112 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10005666617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002833305 + 5002833306.

It is an arithmetic number, because the mean of its divisors is an integer number (5002833306).

Almost surely, 210005666611 is an apocalyptic number.

10005666611 is a deficient number, since it is larger than the sum of its proper divisors (1).

10005666611 is an equidigital number, since it uses as much as digits as its factorization.

10005666611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 10005666611 in words is "ten billion, five million, six hundred sixty-six thousand, six hundred eleven".