Search a number
-
+
6798289680 = 243257131943127
BaseRepresentation
bin1100101010011010…
…11010101100010000
3122112210011220020200
412111031122230100
5102410330232210
63042330535200
7330316336350
oct62515325420
918483156220
106798289680
112979503726
121398897500
138445a0320
14486c50b60
1529bc730c0
hex19535ab10

6798289680 has 960 divisors, whose sum is σ = 30504714240. Its totient is φ = 1316818944.

The previous prime is 6798289657. The next prime is 6798289703. The reversal of 6798289680 is 869828976.

It is an interprime number because it is at equal distance from previous prime (6798289657) and next prime (6798289703).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 53529777 + ... + 53529903.

It is an arithmetic number, because the mean of its divisors is an integer number (31775744).

Almost surely, 26798289680 is an apocalyptic number.

6798289680 is a gapful number since it is divisible by the number (60) 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 6798289680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15252357120).

6798289680 is an abundant number, since it is smaller than the sum of its proper divisors (23706424560).

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

6798289680 is a wasteful number, since it uses less digits than its factorization.

6798289680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 6798289680 is about 82451.7415219351. The cubic root of 6798289680 is about 1894.3776246011.

The spelling of 6798289680 in words is "six billion, seven hundred ninety-eight million, two hundred eighty-nine thousand, six hundred eighty".