Search a number
-
+
6780204964 = 2213231672
BaseRepresentation
bin1100101000010000…
…11011011110100100
3122111112011002200101
412110020123132210
5102341213024324
63040443153444
7330006535261
oct62410333644
918445132611
106780204964
11296a281385
121392815884
1384090a900
144846a4268
1529a39e944
hex19421b7a4

6780204964 has 27 divisors (see below), whose sum is σ = 12852346017. Its totient is φ = 3128337264.

The previous prime is 6780204943. The next prime is 6780204989. The reversal of 6780204964 is 4694020876.

It is a happy number.

The square root of 6780204964 is 82342.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1002988900 + 5777216064 = 31670^2 + 76008^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2139309 + ... + 2142475.

Almost surely, 26780204964 is an apocalyptic number.

6780204964 is the 82342-nd square number.

It is an amenable number.

6780204964 is a deficient number, since it is larger than the sum of its proper divisors (6072141053).

6780204964 is an equidigital number, since it uses as much as digits as its factorization.

6780204964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364 (or 3182 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The cubic root of 6780204964 is about 1892.6963338346.

The spelling of 6780204964 in words is "six billion, seven hundred eighty million, two hundred four thousand, nine hundred sixty-four".

Divisors: 1 2 4 13 26 52 169 338 676 3167 6334 12668 41171 82342 164684 535223 1070446 2140892 10029889 20059778 40119556 130388557 260777114 521554228 1695051241 3390102482 6780204964