Base | Representation |
---|---|
bin | 10010101001010011… |
… | …00010110001101111 |
3 | 221211121210022221002 |
4 | 21110221202301233 |
5 | 131000042023322 |
6 | 4333143230515 |
7 | 503026353224 |
oct | 112451426157 |
9 | 27747708832 |
10 | 10010111087 |
11 | 42774a0689 |
12 | 1b3444843b |
13 | c36b1a772 |
14 | 6ad63594b |
15 | 3d8c08c92 |
hex | 254a62c6f |
10010111087 has 2 divisors, whose sum is σ = 10010111088. Its totient is φ = 10010111086.
The previous prime is 10010111077. The next prime is 10010111119. The reversal of 10010111087 is 78011101001.
10010111087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10010111087 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10010111077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005055543 + 5005055544.
It is an arithmetic number, because the mean of its divisors is an integer number (5005055544).
Almost surely, 210010111087 is an apocalyptic number.
10010111087 is a deficient number, since it is larger than the sum of its proper divisors (1).
10010111087 is an equidigital number, since it uses as much as digits as its factorization.
10010111087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 20.
Adding to 10010111087 its reverse (78011101001), we get a palindrome (88021212088).
The spelling of 10010111087 in words is "ten billion, ten million, one hundred eleven thousand, eighty-seven".
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