Search a number
-
+
898128000000 = 2103656711
BaseRepresentation
bin11010001000111001001…
…10011011010000000000
310011212020002021122000000
431010130212123100000
5104203331232000000
61524332212000000
7121613310016410
oct15043446332000
93155202248000
10898128000000
11316991929560
12126091300000
13669019aa0ba
143168092a640
1518568000000
hexd11c99b400

898128000000 has 2156 divisors, whose sum is σ = 4195016928096. Its totient is φ = 186624000000.

The previous prime is 898127999963. The next prime is 898128000037. The reversal of 898128000000 is 821898.

It is an interprime number because it is at equal distance from previous prime (898127999963) and next prime (898128000037).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 195 ways as a sum of consecutive naturals, for example, 81647999995 + ... + 81648000005.

Almost surely, 2898128000000 is an apocalyptic number.

898128000000 is a gapful number since it is divisible by the number (80) 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 898128000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097508464048).

898128000000 is an abundant number, since it is smaller than the sum of its proper divisors (3296888928096).

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

898128000000 is an frugal number, since it uses more digits than its factorization.

898128000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

Adding to 898128000000 its reverse (821898), we get a palindrome (898128821898).

The spelling of 898128000000 in words is "eight hundred ninety-eight billion, one hundred twenty-eight million", and thus it is an aban number.