Base | Representation |
---|---|
bin | 110000000001100001… |
… | …0111111011110001100 |
3 | 100212012022220122010122 |
4 | 1200003002333132030 |
5 | 3142202331043040 |
6 | 115213304524112 |
7 | 10310444231003 |
oct | 1400302773614 |
9 | 325168818118 |
10 | 103130331020 |
11 | 3a812424132 |
12 | 17ba2180638 |
13 | 99571c7312 |
14 | 4dc4ab1c3a |
15 | 2a38e751b5 |
hex | 18030bf78c |
103130331020 has 24 divisors (see below), whose sum is σ = 229313325024. Its totient is φ = 38825536256.
The previous prime is 103130330999. The next prime is 103130331103. The reversal of 103130331020 is 20133031301.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 103130331020.
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 7 ways as a sum of consecutive naturals, for example, 151661912 + ... + 151662591.
It is an arithmetic number, because the mean of its divisors is an integer number (9554721876).
Almost surely, 2103130331020 is an apocalyptic number.
103130331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103130331020 is an abundant number, since it is smaller than the sum of its proper divisors (126182994004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103130331020 is a wasteful number, since it uses less digits than its factorization.
103130331020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303324529 (or 303324527 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 103130331020 its reverse (20133031301), we get a palindrome (123263362321).
The spelling of 103130331020 in words is "one hundred three billion, one hundred thirty million, three hundred thirty-one thousand, twenty".
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