Base | Representation |
---|---|
bin | 10011001100000111… |
… | …01100011111010001 |
3 | 222120222100221011121 |
4 | 21212003230133101 |
5 | 132044324214111 |
6 | 4422135242241 |
7 | 513204036052 |
oct | 114603543721 |
9 | 28528327147 |
10 | 10302179281 |
11 | 4407347859 |
12 | 1bb6219381 |
13 | c8249c194 |
14 | 6da342729 |
15 | 40469c871 |
hex | 2660ec7d1 |
10302179281 has 2 divisors, whose sum is σ = 10302179282. Its totient is φ = 10302179280.
The previous prime is 10302179263. The next prime is 10302179317. The reversal of 10302179281 is 18297120301.
10302179281 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 can be written as a sum of positive squares in only one way, i.e., 5656393681 + 4645785600 = 75209^2 + 68160^2 .
It is a cyclic number.
It is not a de Polignac number, because 10302179281 - 211 = 10302177233 is a prime.
It is a super-2 number, since 2×103021792812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10302179681) 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, 5151089640 + 5151089641.
It is an arithmetic number, because the mean of its divisors is an integer number (5151089641).
Almost surely, 210302179281 is an apocalyptic number.
It is an amenable number.
10302179281 is a deficient number, since it is larger than the sum of its proper divisors (1).
10302179281 is an equidigital number, since it uses as much as digits as its factorization.
10302179281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 34.
Adding to 10302179281 its reverse (18297120301), we get a palindrome (28599299582).
The spelling of 10302179281 in words is "ten billion, three hundred two million, one hundred seventy-nine thousand, two hundred eighty-one".
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