Base | Representation |
---|---|
bin | 110000000011101000… |
… | …1010101101111100011 |
3 | 100212101021021012122021 |
4 | 1200013101111233203 |
5 | 3142324001413443 |
6 | 115224315522311 |
7 | 10312264510246 |
oct | 1400721255743 |
9 | 325337235567 |
10 | 103201201123 |
11 | 3a849429969 |
12 | 18001a59397 |
13 | 9968aabba7 |
14 | 4dd027d25d |
15 | 2a402c39ed |
hex | 1807455be3 |
103201201123 has 4 divisors (see below), whose sum is σ = 103209699528. Its totient is φ = 103192702720.
The previous prime is 103201201121. The next prime is 103201201151. The reversal of 103201201123 is 321102102301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321102102301 = 1193 ⋅269155157.
It is a cyclic number.
It is not a de Polignac number, because 103201201123 - 21 = 103201201121 is a prime.
It is a super-2 number, since 2×1032012011232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103201201097 and 103201201106.
It is not an unprimeable number, because it can be changed into a prime (103201201121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230961 + ... + 4255282.
It is an arithmetic number, because the mean of its divisors is an integer number (25802424882).
Almost surely, 2103201201123 is an apocalyptic number.
103201201123 is a deficient number, since it is larger than the sum of its proper divisors (8498405).
103201201123 is an equidigital number, since it uses as much as digits as its factorization.
103201201123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8498404.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 103201201123 its reverse (321102102301), we get a palindrome (424303303424).
The spelling of 103201201123 in words is "one hundred three billion, two hundred one million, two hundred one thousand, one hundred twenty-three".
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