Base | Representation |
---|---|
bin | 10010111010110000… |
… | …000010001010010100 |
3 | 1221102122112111020210 |
4 | 102322300002022110 |
5 | 313100113214444 |
6 | 13155350325420 |
7 | 1316242563522 |
oct | 227260021224 |
9 | 57378474223 |
10 | 20313023124 |
11 | 8684198a19 |
12 | 3b2a959870 |
13 | 1bb94b5314 |
14 | da9ac9312 |
15 | 7dd49d7b9 |
hex | 4bac02294 |
20313023124 has 24 divisors (see below), whose sum is σ = 47399560768. Its totient is φ = 6770649600.
The previous prime is 20313023113. The next prime is 20313023147. The reversal of 20313023124 is 42132031302.
It is a self number, because there is not a number n which added to its sum of digits gives 20313023124.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294324 + ... + 356724.
Almost surely, 220313023124 is an apocalyptic number.
It is an amenable number.
20313023124 is an abundant number, since it is smaller than the sum of its proper divisors (27086537644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313023124 is a wasteful number, since it uses less digits than its factorization.
20313023124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89535 (or 89533 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20313023124 its reverse (42132031302), we get a palindrome (62445054426).
The spelling of 20313023124 in words is "twenty billion, three hundred thirteen million, twenty-three thousand, one hundred twenty-four".
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