Base | Representation |
---|---|
bin | 100100101010010… |
… | …0011110010001111 |
3 | 10011201200212221111 |
4 | 1021110203302033 |
5 | 10004403014343 |
6 | 322021512451 |
7 | 42324620554 |
oct | 11124436217 |
9 | 3151625844 |
10 | 1230126223 |
11 | 581413047 |
12 | 2a3b72727 |
13 | 167b11a51 |
14 | b9532a2b |
15 | 72edbc9d |
hex | 49523c8f |
1230126223 has 12 divisors (see below), whose sum is σ = 1258499728. Its totient is φ = 1202353920.
The previous prime is 1230126211. The next prime is 1230126277. The reversal of 1230126223 is 3226210321.
It is a de Polignac number, because none of the positive numbers 2k-1230126223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1230126194 and 1230126203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230126323) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670918 + ... + 672748.
Almost surely, 21230126223 is an apocalyptic number.
1230126223 is a deficient number, since it is larger than the sum of its proper divisors (28373505).
1230126223 is an equidigital number, since it uses as much as digits as its factorization.
1230126223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2142 (or 2083 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 1230126223 is about 35073.1553043065. The cubic root of 1230126223 is about 1071.4779189877.
Adding to 1230126223 its reverse (3226210321), we get a palindrome (4456336544).
The spelling of 1230126223 in words is "one billion, two hundred thirty million, one hundred twenty-six thousand, two hundred twenty-three".
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