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10312130185 = 57294632291
BaseRepresentation
bin10011001101010011…
…01001111010001001
3222121200002111020121
421212221221322021
5132104401131220
64423132423241
7513354442330
oct114651517211
928550074217
1010312130185
114411a24045
121bb9617b21
13c845745a6
146db7b2d17
154054b5eaa
hex266a69e89

10312130185 has 8 divisors (see below), whose sum is σ = 14142350016. Its totient is φ = 7071174960.

The previous prime is 10312130149. The next prime is 10312130209. The reversal of 10312130185 is 58103121301.

10312130185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10312130185 - 27 = 10312130057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 147316111 + ... + 147316180.

It is an arithmetic number, because the mean of its divisors is an integer number (1767793752).

Almost surely, 210312130185 is an apocalyptic number.

It is an amenable number.

10312130185 is a deficient number, since it is larger than the sum of its proper divisors (3830219831).

10312130185 is an equidigital number, since it uses as much as digits as its factorization.

10312130185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294632303.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 10312130185 its reverse (58103121301), we get a palindrome (68415251486).

The spelling of 10312130185 in words is "ten billion, three hundred twelve million, one hundred thirty thousand, one hundred eighty-five".

Divisors: 1 5 7 35 294632291 1473161455 2062426037 10312130185