Base | Representation |
---|---|
bin | 101111111101101001… |
… | …0010010011101001100 |
3 | 100211212020220101121020 |
4 | 1133323102102131030 |
5 | 3141421012420322 |
6 | 115152334034140 |
7 | 10304303413260 |
oct | 1377322223514 |
9 | 324766811536 |
10 | 103000123212 |
11 | 3a755980078 |
12 | 17b66648950 |
13 | 993623808c |
14 | 4db169a0a0 |
15 | 2a2c80505c |
hex | 17fb49274c |
103000123212 has 48 divisors (see below), whose sum is σ = 278143810560. Its totient is φ = 29056090752.
The previous prime is 103000123153. The next prime is 103000123217. The reversal of 103000123212 is 212321000301.
103000123212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 103000123191 and 103000123200.
It is not an unprimeable number, because it can be changed into a prime (103000123217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754073 + ... + 7767344.
It is an arithmetic number, because the mean of its divisors is an integer number (5794662720).
Almost surely, 2103000123212 is an apocalyptic number.
103000123212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103000123212 is an abundant number, since it is smaller than the sum of its proper divisors (175143687348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103000123212 is a wasteful number, since it uses less digits than its factorization.
103000123212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15521510 (or 15521508 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 103000123212 its reverse (212321000301), we get a palindrome (315321123513).
The spelling of 103000123212 in words is "one hundred three billion, one hundred twenty-three thousand, two hundred twelve".
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