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8130207340 = 225419914887
BaseRepresentation
bin1111001001001100…
…10001111001101100
3202222121102022210101
413210212101321230
5113122313113330
63422430320444
7405321423253
oct74446217154
922877368711
108130207340
1134a2321122
1216aa959124
139c7502098
14571abd79a
15328b6a4ca
hex1e4991e6c

8130207340 has 24 divisors (see below), whose sum is σ = 17489862432. Its totient is φ = 3172763520.

The previous prime is 8130207317. The next prime is 8130207341. The reversal of 8130207340 is 437020318.

It is a super-2 number, since 2×81302073402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8130207299 and 8130207308.

It is not an unprimeable number, because it can be changed into a prime (8130207341) 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 in 7 ways as a sum of consecutive naturals, for example, 4956624 + ... + 4958263.

It is an arithmetic number, because the mean of its divisors is an integer number (728744268).

Almost surely, 28130207340 is an apocalyptic number.

It is an amenable number.

8130207340 is an abundant number, since it is smaller than the sum of its proper divisors (9359655092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8130207340 is a wasteful number, since it uses less digits than its factorization.

8130207340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9914937 (or 9914935 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 8130207340 is about 90167.6623851367. The cubic root of 8130207340 is about 2010.7922703661.

Adding to 8130207340 its reverse (437020318), we get a palindrome (8567227658).

The spelling of 8130207340 in words is "eight billion, one hundred thirty million, two hundred seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 9914887 19829774 39659548 49574435 99148870 198297740 406510367 813020734 1626041468 2032551835 4065103670 8130207340