Search a number
-
+
2152540130 = 251316558001
BaseRepresentation
bin1000000001001101…
…0010011111100010
312120000101100221112
42000103102133202
513402022241010
6553332223322
7104225201126
oct20023223742
95500340845
102152540130
11a05064294
12500a6ab42
13283c554b0
14165c45586
15c8e94a05
hex804d27e2

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".

Divisors: 1 2 5 10 13 26 65 130 16558001 33116002 82790005 165580010 215254013 430508026 1076270065 2152540130