Search a number
-
+
200728140866 = 211171059750647
BaseRepresentation
bin1011101011110001010…
…1000101110001000010
3201012010002102001222122
42322330111011301002
511242042401001431
6232114020404242
720334142021451
oct2727425056102
9635102361878
10200728140866
1178145891210
1232a9b546682
1315c0c132266
149a02aa2b98
15534c354a7b
hex2ebc545c42

200728140866 has 32 divisors (see below), whose sum is σ = 347825342592. Its totient is φ = 85863202560.

The previous prime is 200728140863. The next prime is 200728140887. The reversal of 200728140866 is 668041827002.

It is not an unprimeable number, because it can be changed into a prime (200728140863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3937955 + ... + 3988601.

It is an arithmetic number, because the mean of its divisors is an integer number (10869541956).

Almost surely, 2200728140866 is an apocalyptic number.

200728140866 is a deficient number, since it is larger than the sum of its proper divisors (147097201726).

200728140866 is a wasteful number, since it uses less digits than its factorization.

200728140866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61274.

The product of its (nonzero) digits is 258048, while the sum is 44.

Adding to 200728140866 its reverse (668041827002), we get a palindrome (868769967868).

The spelling of 200728140866 in words is "two hundred billion, seven hundred twenty-eight million, one hundred forty thousand, eight hundred sixty-six".

Divisors: 1 2 11 17 22 34 187 374 10597 21194 50647 101294 116567 180149 233134 360298 557117 860999 1114234 1721998 1981639 3963278 9470989 18941978 536706259 1073412518 5903768849 9124006403 11807537698 18248012806 100364070433 200728140866