Base | Representation |
---|---|
bin | 10101011100000110… |
… | …110011001111111010 |
3 | 2012102022102102022222 |
4 | 111130012303033322 |
5 | 334121122420010 |
6 | 14324133044042 |
7 | 1443313550414 |
oct | 253406631772 |
9 | 65368372288 |
10 | 23020123130 |
11 | 9843294254 |
12 | 4565486622 |
13 | 222b2b6644 |
14 | 11854499b4 |
15 | 8eae87355 |
hex | 55c1b33fa |
23020123130 has 32 divisors (see below), whose sum is σ = 45059432976. Its totient is φ = 8432169984.
The previous prime is 23020123117. The next prime is 23020123153. The reversal of 23020123130 is 3132102032.
It can be written as a sum of positive squares in 8 ways, for example, as 19114998049 + 3905125081 = 138257^2 + 62491^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 23020123099 and 23020123108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823609 + ... + 1836188.
Almost surely, 223020123130 is an apocalyptic number.
23020123130 is a deficient number, since it is larger than the sum of its proper divisors (22039309846).
23020123130 is a wasteful number, since it uses less digits than its factorization.
23020123130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3659858.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 23020123130 its reverse (3132102032), we get a palindrome (26152225162).
The spelling of 23020123130 in words is "twenty-three billion, twenty million, one hundred twenty-three thousand, one hundred thirty".
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