Base | Representation |
---|---|
bin | 10010101110001111… |
… | …011010011101101100 |
3 | 1220220000121121000221 |
4 | 102232033122131230 |
5 | 312132401122244 |
6 | 13122452101124 |
7 | 1311113626063 |
oct | 225617323554 |
9 | 56800547027 |
10 | 20103145324 |
11 | 8586779699 |
12 | 3a906047a4 |
13 | 1b84b7cc82 |
14 | d89c951da |
15 | 7c9d42784 |
hex | 4ae3da76c |
20103145324 has 24 divisors (see below), whose sum is σ = 36149591520. Its totient is φ = 9774965376.
The previous prime is 20103145313. The next prime is 20103145367. The reversal of 20103145324 is 42354130102.
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, 268464 + ... + 335080.
It is an arithmetic number, because the mean of its divisors is an integer number (1506232980).
Almost surely, 220103145324 is an apocalyptic number.
It is an amenable number.
20103145324 is a deficient number, since it is larger than the sum of its proper divisors (16046446196).
20103145324 is a wasteful number, since it uses less digits than its factorization.
20103145324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68697 (or 68695 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 20103145324 its reverse (42354130102), we get a palindrome (62457275426).
The spelling of 20103145324 in words is "twenty billion, one hundred three million, one hundred forty-five thousand, three hundred twenty-four".
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