Base | Representation |
---|---|
bin | 10001110011001101000… |
… | …000010011111101111010 |
3 | 11022221022121122112022110 |
4 | 101303031000103331322 |
5 | 130020113242420010 |
6 | 2333533542033150 |
7 | 154242200331342 |
oct | 21631500237572 |
9 | 4287277575273 |
10 | 1223210123130 |
11 | 431840253136 |
12 | 1790967187b6 |
13 | 8b46b066a88 |
14 | 432bccb1d22 |
15 | 21c426a4120 |
hex | 11ccd013f7a |
1223210123130 has 16 divisors (see below), whose sum is σ = 2935704295584. Its totient is φ = 326189366160.
The previous prime is 1223210123123. The next prime is 1223210123137. The reversal of 1223210123130 is 313210123221.
It is an interprime number because it is at equal distance from previous prime (1223210123123) and next prime (1223210123137).
It is a junction number, because it is equal to n+sod(n) for n = 1223210123097 and 1223210123106.
It is not an unprimeable number, because it can be changed into a prime (1223210123137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20386835356 + ... + 20386835415.
It is an arithmetic number, because the mean of its divisors is an integer number (183481518474).
Almost surely, 21223210123130 is an apocalyptic number.
1223210123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1223210123130 is an abundant number, since it is smaller than the sum of its proper divisors (1712494172454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223210123130 is a wasteful number, since it uses less digits than its factorization.
1223210123130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40773670781.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1223210123130 its reverse (313210123221), we get a palindrome (1536420246351).
Subtracting from 1223210123130 its reverse (313210123221), we obtain a palindrome (909999999909).
The spelling of 1223210123130 in words is "one trillion, two hundred twenty-three billion, two hundred ten million, one hundred twenty-three thousand, one hundred thirty".
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