Search a number
-
+
2640251302 = 2131011005427
BaseRepresentation
bin1001110101011111…
…0000100110100110
320211000002122220021
42131113300212212
520401401020202
61113553425354
7122266523443
oct23527604646
96730078807
102640251302
111135397977
1261826b25a
13330cc6ca0
141b091c9ca
15106bd1a37
hex9d5f09a6

2640251302 has 16 divisors (see below), whose sum is σ = 4307253552. Its totient is φ = 1206511200.

The previous prime is 2640251203. The next prime is 2640251303. The reversal of 2640251302 is 2031520462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640251303) 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, 500088 + ... + 505339.

It is an arithmetic number, because the mean of its divisors is an integer number (269203347).

Almost surely, 22640251302 is an apocalyptic number.

2640251302 is a deficient number, since it is larger than the sum of its proper divisors (1667002250).

2640251302 is a wasteful number, since it uses less digits than its factorization.

2640251302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005543.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2640251302 is about 51383.3757357377. The cubic root of 2640251302 is about 1382.1284982265.

Adding to 2640251302 its reverse (2031520462), we get a palindrome (4671771764).

The spelling of 2640251302 in words is "two billion, six hundred forty million, two hundred fifty-one thousand, three hundred two".

Divisors: 1 2 13 26 101 202 1313 2626 1005427 2010854 13070551 26141102 101548127 203096254 1320125651 2640251302