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115500451000 = 23531131437877
BaseRepresentation
bin110101110010001011…
…1010000010010111000
3102001010102110211122111
41223210113100102320
53343021103413000
6125020555302104
711226131430514
oct1534427202270
9361112424574
10115500451000
1144a8aaa2390
121a474a4a934
13ab78c3ac3c
145839917144
15300ee55cba
hex1ae45d04b8

115500451000 has 256 divisors, whose sum is σ = 311469649920. Its totient is φ = 39695040000.

The previous prime is 115500450983. The next prime is 115500451039. The reversal of 115500451000 is 154005511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14659062 + ... + 14666938.

It is an arithmetic number, because the mean of its divisors is an integer number (1216678320).

Almost surely, 2115500451000 is an apocalyptic number.

115500451000 is a gapful number since it is divisible by the number (10) 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 115500451000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155734824960).

115500451000 is an abundant number, since it is smaller than the sum of its proper divisors (195969198920).

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

115500451000 is a wasteful number, since it uses less digits than its factorization.

115500451000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983 (or 7969 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 115500451000 its reverse (154005511), we get a palindrome (115654456511).

The spelling of 115500451000 in words is "one hundred fifteen billion, five hundred million, four hundred fifty-one thousand".