Base | Representation |
---|---|
bin | 111001010111111100… |
… | …1010100011101111010 |
3 | 102210000201120202120201 |
4 | 1302233321110131322 |
5 | 4004313242420010 |
6 | 132334004312414 |
7 | 11621155523653 |
oct | 1625771243572 |
9 | 383021522521 |
10 | 123210123130 |
11 | 482869a2146 |
12 | 1ba669a270a |
13 | b80728b803 |
14 | 5d6b80852a |
15 | 3311c0323a |
hex | 1cafe5477a |
123210123130 has 16 divisors (see below), whose sum is σ = 221784596640. Its totient is φ = 49282632592.
The previous prime is 123210123119. The next prime is 123210123199. The reversal of 123210123130 is 31321012321.
It is a junction number, because it is equal to n+sod(n) for n = 123210123098 and 123210123107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233541 + ... + 548599.
It is an arithmetic number, because the mean of its divisors is an integer number (13861537290).
Almost surely, 2123210123130 is an apocalyptic number.
123210123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123210123130 is a deficient number, since it is larger than the sum of its proper divisors (98574473510).
123210123130 is a wasteful number, since it uses less digits than its factorization.
123210123130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354173.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 123210123130 its reverse (31321012321), we get a palindrome (154531135451).
The spelling of 123210123130 in words is "one hundred twenty-three billion, two hundred ten million, one hundred twenty-three thousand, one hundred thirty".
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