Base | Representation |
---|---|
bin | 10010111010010110… |
… | …101011011000111000 |
3 | 1221102012000210110012 |
4 | 102322112223120320 |
5 | 313041413014443 |
6 | 13154552041052 |
7 | 1316132231054 |
oct | 227226533070 |
9 | 57365023405 |
10 | 20306376248 |
11 | 8680469034 |
12 | 3b28693188 |
13 | 1bb7cc8a62 |
14 | da8c78c64 |
15 | 7dcad9118 |
hex | 4ba5ab638 |
20306376248 has 8 divisors (see below), whose sum is σ = 38074455480. Its totient is φ = 10153188120.
The previous prime is 20306376247. The next prime is 20306376253. The reversal of 20306376248 is 84267360302.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20306376247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269148508 + ... + 1269148523.
It is an arithmetic number, because the mean of its divisors is an integer number (4759306935).
Almost surely, 220306376248 is an apocalyptic number.
It is an amenable number.
20306376248 is a deficient number, since it is larger than the sum of its proper divisors (17768079232).
20306376248 is a wasteful number, since it uses less digits than its factorization.
20306376248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2538297037 (or 2538297033 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 41.
The spelling of 20306376248 in words is "twenty billion, three hundred six million, three hundred seventy-six thousand, two hundred forty-eight".
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