Base | Representation |
---|---|
bin | 1000000001001101… |
… | …0010011111100010 |
3 | 12120000101100221112 |
4 | 2000103102133202 |
5 | 13402022241010 |
6 | 553332223322 |
7 | 104225201126 |
oct | 20023223742 |
9 | 5500340845 |
10 | 2152540130 |
11 | a05064294 |
12 | 500a6ab42 |
13 | 283c554b0 |
14 | 165c45586 |
15 | c8e94a05 |
hex | 804d27e2 |
2152540130 has 16 divisors (see below), whose sum is σ = 4172616504. Its totient is φ = 794784000.
The previous prime is 2152540111. The next prime is 2152540133. The reversal of 2152540130 is 310452512.
It can be written as a sum of positive squares in 4 ways, for example, as 1239110401 + 913429729 = 35201^2 + 30223^2 .
It is a super-2 number, since 2×21525401302 = 9266858022520833800, which contains 22 as substring.
It is a zygodrome in base 6.
It is a junction number, because it is equal to n+sod(n) for n = 2152540096 and 2152540105.
It is not an unprimeable number, because it can be changed into a prime (2152540133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8278871 + ... + 8279130.
Almost surely, 22152540130 is an apocalyptic number.
2152540130 is a deficient number, since it is larger than the sum of its proper divisors (2020076374).
2152540130 is a wasteful number, since it uses less digits than its factorization.
2152540130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16558021.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 2152540130 is about 46395.4753181816. The cubic root of 2152540130 is about 1291.1709676872.
Adding to 2152540130 its reverse (310452512), we get a palindrome (2462992642).
The spelling of 2152540130 in words is "two billion, one hundred fifty-two million, five hundred forty thousand, one hundred thirty".
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