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103231130112 = 29321167113269
BaseRepresentation
bin110000000100100001…
…1100000101000000000
3100212110100120202111100
41200021003200220000
53142404132130422
6115231305214400
710313110061625
oct1401103405000
9325410522440
10103231130112
113a864310a70
121800ba91400
13997205a756
144dd423034c
152a42c367ac
hex18090e0a00

103231130112 has 480 divisors, whose sum is σ = 334024067520. Its totient is φ = 30429020160.

The previous prime is 103231130071. The next prime is 103231130113. The reversal of 103231130112 is 211031132301.

103231130112 is a `hidden beast` number, since 10 + 32 + 311 + 301 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103231130113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383758714 + ... + 383758982.

It is an arithmetic number, because the mean of its divisors is an integer number (695883474).

Almost surely, 2103231130112 is an apocalyptic number.

103231130112 is a gapful number since it is divisible by the number (12) 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 103231130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167012033760).

103231130112 is an abundant number, since it is smaller than the sum of its proper divisors (230792937408).

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

103231130112 is a wasteful number, since it uses less digits than its factorization.

103231130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103231130112 its reverse (211031132301), we get a palindrome (314262262413).

The spelling of 103231130112 in words is "one hundred three billion, two hundred thirty-one million, one hundred thirty thousand, one hundred twelve".