Base | Representation |
---|---|
bin | 10101111001111001… |
… | …110111111101001100 |
3 | 2020201011010101110202 |
4 | 111321321313331030 |
5 | 341132113113040 |
6 | 14445512153032 |
7 | 1461564064214 |
oct | 257171677514 |
9 | 66634111422 |
10 | 23520051020 |
11 | 9a7a5014a4 |
12 | 4684998778 |
13 | 22aaa4496b |
14 | 11d19c3244 |
15 | 929cd9015 |
hex | 579e77f4c |
23520051020 has 24 divisors (see below), whose sum is σ = 49396888800. Its totient is φ = 9407109632.
The previous prime is 23520051019. The next prime is 23520051031. The reversal of 23520051020 is 2015002532.
It is a super-3 number, since 3×235200510203 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 23520050983 and 23520051001.
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, 178601 + ... + 280959.
It is an arithmetic number, because the mean of its divisors is an integer number (2058203700).
Almost surely, 223520051020 is an apocalyptic number.
23520051020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23520051020 is an abundant number, since it is smaller than the sum of its proper divisors (25876837780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23520051020 is a wasteful number, since it uses less digits than its factorization.
23520051020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113857 (or 113855 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
Adding to 23520051020 its reverse (2015002532), we get a palindrome (25535053552).
The spelling of 23520051020 in words is "twenty-three billion, five hundred twenty million, fifty-one thousand, twenty".
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