Base | Representation |
---|---|
bin | 10111011100010100011111… |
… | …110001100010100111011100 |
3 | 111112001101021111120001102100 |
4 | 113130110133301202213130 |
5 | 102003202301043133040 |
6 | 1003140014210525100 |
7 | 30500550263653650 |
oct | 2734243761424734 |
9 | 445041244501370 |
10 | 103101223021020 |
11 | 2a93aa8a608824 |
12 | b69185ab96790 |
13 | 456b53297a253 |
14 | 1b661a936ca60 |
15 | bdbd757d4b30 |
hex | 5dc51fc629dc |
103101223021020 has 72 divisors (see below), whose sum is σ = 357417573143904. Its totient is φ = 23565993833088.
The previous prime is 103101223021009. The next prime is 103101223021021. The reversal of 103101223021020 is 20120322101301.
103101223021020 is a `hidden beast` number, since 1 + 0 + 310 + 1 + 22 + 302 + 10 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 103101223020984 and 103101223021002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103101223021021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40913182479 + ... + 40913184998.
It is an arithmetic number, because the mean of its divisors is an integer number (4964132960332).
Almost surely, 2103101223021020 is an apocalyptic number.
103101223021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103101223021020 is an abundant number, since it is smaller than the sum of its proper divisors (254316350122884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103101223021020 is a wasteful number, since it uses less digits than its factorization.
103101223021020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81826367499 (or 81826367494 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 103101223021020 its reverse (20120322101301), we get a palindrome (123221545122321).
The spelling of 103101223021020 in words is "one hundred three trillion, one hundred one billion, two hundred twenty-three million, twenty-one thousand, twenty".
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