Base | Representation |
---|---|
bin | 110000000001100011… |
… | …0011101111100000000 |
3 | 100212012101121221002112 |
4 | 1200003012131330000 |
5 | 3142203044222430 |
6 | 115213340234452 |
7 | 10310455044425 |
oct | 1400306357400 |
9 | 325171557075 |
10 | 103131242240 |
11 | 3a812996804 |
12 | 17ba253ba28 |
13 | 9957455cc0 |
14 | 4dc4c6bd4c |
15 | 2a390a5195 |
hex | 180319df00 |
103131242240 has 72 divisors (see below), whose sum is σ = 266034023808. Its totient is φ = 38079221760.
The previous prime is 103131242113. The next prime is 103131242243. The reversal of 103131242240 is 42242131301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103131242243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3082256 + ... + 3115535.
Almost surely, 2103131242240 is an apocalyptic number.
103131242240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103131242240 is an abundant number, since it is smaller than the sum of its proper divisors (162902781568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103131242240 is an equidigital number, since it uses as much as digits as its factorization.
103131242240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6197825 (or 6197811 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 103131242240 its reverse (42242131301), we get a palindrome (145373373541).
The spelling of 103131242240 in words is "one hundred three billion, one hundred thirty-one million, two hundred forty-two thousand, two hundred forty".
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