Base | Representation |
---|---|
bin | 1101010100100110… |
… | …01110111111001100 |
3 | 200110110000011100010 |
4 | 12222103032333030 |
5 | 104121421324030 |
6 | 3141411033220 |
7 | 342144103602 |
oct | 65223167714 |
9 | 20413004303 |
10 | 7152136140 |
11 | 3040215816 |
12 | 147729b810 |
13 | 89c9a2226 |
14 | 4bbc3d872 |
15 | 2bcd6b6b0 |
hex | 1aa4cefcc |
7152136140 has 48 divisors (see below), whose sum is σ = 20158629120. Its totient is φ = 1894603200.
The previous prime is 7152136111. The next prime is 7152136141. The reversal of 7152136140 is 416312517.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 7152136098 and 7152136107.
It is not an unprimeable number, because it can be changed into a prime (7152136141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385650 + ... + 403769.
It is an arithmetic number, because the mean of its divisors is an integer number (419971440).
Almost surely, 27152136140 is an apocalyptic number.
It is an amenable number.
7152136140 is an abundant number, since it is smaller than the sum of its proper divisors (13006492980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7152136140 is a wasteful number, since it uses less digits than its factorization.
7152136140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 789582 (or 789580 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 7152136140 is about 84570.3029437639. The cubic root of 7152136140 is about 1926.6903589530.
Adding to 7152136140 its reverse (416312517), we get a palindrome (7568448657).
The spelling of 7152136140 in words is "seven billion, one hundred fifty-two million, one hundred thirty-six thousand, one hundred forty".
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