Search a number
-
+
28098980352 = 2935449503
BaseRepresentation
bin11010001010110101…
…000110101000000000
32200112021012002200000
4122022311012220000
5430021314332402
620524122400000
72013214251342
oct321265065000
980467162600
1028098980352
1110a0a161913
125542360000
13285a5953c1
141507b97292
15ae6cb8c1c
hex68ad46a00

28098980352 has 240 divisors, whose sum is σ = 84453969600. Its totient is φ = 9326886912.

The previous prime is 28098980279. The next prime is 28098980363. The reversal of 28098980352 is 25308989082.

28098980352 is a `hidden beast` number, since 280 + 9 + 8 + 9 + 8 + 0 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55862533 + ... + 55863035.

It is an arithmetic number, because the mean of its divisors is an integer number (351891540).

Almost surely, 228098980352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28098980352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42226984800).

28098980352 is an abundant number, since it is smaller than the sum of its proper divisors (56354989248).

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

28098980352 is an frugal number, since it uses more digits than its factorization.

28098980352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 28098980352 in words is "twenty-eight billion, ninety-eight million, nine hundred eighty thousand, three hundred fifty-two".