Base | Representation |
---|---|
bin | 10101100010000011… |
… | …110101101100100100 |
3 | 2012200021101012101102 |
4 | 111202003311230210 |
5 | 334322210310040 |
6 | 14342102015232 |
7 | 1445635562012 |
oct | 254203655444 |
9 | 65607335342 |
10 | 23120010020 |
11 | 98947087a8 |
12 | 4592a17518 |
13 | 2245bba803 |
14 | 119480b8b2 |
15 | 904b18515 |
hex | 5620f5b24 |
23120010020 has 24 divisors (see below), whose sum is σ = 49005782784. Its totient is φ = 9161573216.
The previous prime is 23120010019. The next prime is 23120010031. The reversal of 23120010020 is 2001002132.
It is a happy number.
It is a super-3 number, since 3×231200100203 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23120009983 and 23120010010.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399732 + ... + 5404011.
It is an arithmetic number, because the mean of its divisors is an integer number (2041907616).
Almost surely, 223120010020 is an apocalyptic number.
23120010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23120010020 is an abundant number, since it is smaller than the sum of its proper divisors (25885772764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23120010020 is a wasteful number, since it uses less digits than its factorization.
23120010020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10803859 (or 10803857 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 23120010020 its reverse (2001002132), we get a palindrome (25121012152).
The spelling of 23120010020 in words is "twenty-three billion, one hundred twenty million, ten thousand, twenty".
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