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10011061987 is a prime number
BaseRepresentation
bin10010101001011010…
…01010111011100011
3221211200120122022121
421110231022323203
5131000312440422
64333215445111
7503040423433
oct112455127343
927750518277
1010011061987
114277a90053
121b34826797
13c37091524
146ad8022c3
153d8d458c7
hex254b4aee3

10011061987 has 2 divisors, whose sum is σ = 10011061988. Its totient is φ = 10011061986.

The previous prime is 10011061939. The next prime is 10011062021. The reversal of 10011061987 is 78916011001.

It is an a-pointer prime, because the next prime (10011062021) can be obtained adding 10011061987 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10011061987 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011061927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005530993 + 5005530994.

It is an arithmetic number, because the mean of its divisors is an integer number (5005530994).

Almost surely, 210011061987 is an apocalyptic number.

10011061987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011061987 is an equidigital number, since it uses as much as digits as its factorization.

10011061987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 34.

Adding to 10011061987 its reverse (78916011001), we get a palindrome (88927072988).

The spelling of 10011061987 in words is "ten billion, eleven million, sixty-one thousand, nine hundred eighty-seven".