Search a number
-
+
2051440130 = 254318232617
BaseRepresentation
bin111101001000110…
…0111111000000010
312021222010221211002
41322101213320002
513200132041010
6535321252002
7101556645005
oct17221477002
95258127732
102051440130
11962a91373
12493034002
132690180cc
1415664953c
15c01741a5
hex7a467e02

2051440130 has 32 divisors (see below), whose sum is σ = 3781983744. Its totient is φ = 800747136.

The previous prime is 2051440129. The next prime is 2051440147. The reversal of 2051440130 is 310441502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782582 + ... + 785198.

It is an arithmetic number, because the mean of its divisors is an integer number (118186992).

Almost surely, 22051440130 is an apocalyptic number.

2051440130 is a deficient number, since it is larger than the sum of its proper divisors (1730543614).

2051440130 is a wasteful number, since it uses less digits than its factorization.

2051440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2051440130 is about 45292.8264739572. The cubic root of 2051440130 is about 1270.6314940745.

Adding to 2051440130 its reverse (310441502), we get a palindrome (2361881632).

The spelling of 2051440130 in words is "two billion, fifty-one million, four hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 1823 2617 3646 5234 9115 13085 18230 26170 78389 112531 156778 225062 391945 562655 783890 1125310 4770791 9541582 23853955 47707910 205144013 410288026 1025720065 2051440130