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103231421100 = 223252114701579
BaseRepresentation
bin110000000100100010…
…0100111101010101100
3100212110101010112122200
41200021010213222230
53142404220433400
6115231315341500
710313112413163
oct1401104475254
9325411115580
10103231421100
113a86449a655
121800bbb1890
139972130032
144dd42a83da
152a42c92b00
hex1809127aac

103231421100 has 54 divisors (see below), whose sum is σ = 323573157180. Its totient is φ = 27528378720.

The previous prime is 103231421057. The next prime is 103231421107. The reversal of 103231421100 is 1124132301.

103231421100 is a `hidden beast` number, since 1 + 0 + 3 + 231 + 421 + 10 + 0 = 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 (103231421107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57349890 + ... + 57351689.

Almost surely, 2103231421100 is an apocalyptic number.

103231421100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103231421100 is an abundant number, since it is smaller than the sum of its proper divisors (220341736080).

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

103231421100 is a wasteful number, since it uses less digits than its factorization.

103231421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114701599 (or 114701589 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103231421100 its reverse (1124132301), we get a palindrome (104355553401).

The spelling of 103231421100 in words is "one hundred three billion, two hundred thirty-one million, four hundred twenty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 114701579 229403158 344104737 458806316 573507895 688209474 1032314211 1147015790 1376418948 1720523685 2064628422 2294031580 2867539475 3441047370 4129256844 5161571055 5735078950 6882094740 8602618425 10323142110 11470157900 17205236850 20646284220 25807855275 34410473700 51615710550 103231421100