Search a number
-
+
6808041984 = 2936776547
BaseRepresentation
bin1100101011100101…
…00111101000000000
3122120110112100220010
412111302213220000
5102420324320414
63043315544520
7330465254622
oct62562475000
918513470803
106808041984
112983a64787
12139bbbb140
13846606213
1448826cc12
1529ca4c959
hex195ca7a00

6808041984 has 80 divisors (see below), whose sum is σ = 18166614048. Its totient is φ = 2265649152.

The previous prime is 6808041959. The next prime is 6808041991. The reversal of 6808041984 is 4891408086.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036599 + ... + 1043145.

Almost surely, 26808041984 is an apocalyptic number.

6808041984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6808041984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9083307024).

6808041984 is an abundant number, since it is smaller than the sum of its proper divisors (11358572064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6808041984 is an equidigital number, since it uses as much as digits as its factorization.

6808041984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245 (or 7229 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 6808041984 is about 82510.8597943325. The cubic root of 6808041984 is about 1895.2830346544.

The spelling of 6808041984 in words is "six billion, eight hundred eight million, forty-one thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 677 768 1354 1536 2031 2708 4062 5416 6547 8124 10832 13094 16248 19641 21664 26188 32496 39282 43328 52376 64992 78564 86656 104752 129984 157128 173312 209504 259968 314256 346624 419008 519936 628512 838016 1039872 1257024 1676032 2514048 3352064 4432319 5028096 8864638 10056192 13296957 17729276 26593914 35458552 53187828 70917104 106375656 141834208 212751312 283668416 425502624 567336832 851005248 1134673664 1702010496 2269347328 3404020992 6808041984