Base | Representation |
---|---|
bin | 10011000101011110… |
… | …111111100101001010 |
3 | 1221220012101121210202 |
4 | 103011132333211022 |
5 | 313432213333412 |
6 | 13225302212202 |
7 | 1323560344133 |
oct | 230536774512 |
9 | 57805347722 |
10 | 20493105482 |
11 | 8766907513 |
12 | 3b7b124062 |
13 | 1c178b7825 |
14 | dc59a4c8a |
15 | 7ee1c13c2 |
hex | 4c57bf94a |
20493105482 has 32 divisors (see below), whose sum is σ = 31415634432. Its totient is φ = 10023609024.
The previous prime is 20493105469. The next prime is 20493105499. The reversal of 20493105482 is 28450139402.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20229608 + ... + 20230620.
It is an arithmetic number, because the mean of its divisors is an integer number (981738576).
Almost surely, 220493105482 is an apocalyptic number.
20493105482 is a deficient number, since it is larger than the sum of its proper divisors (10922528950).
20493105482 is a wasteful number, since it uses less digits than its factorization.
20493105482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1982.
The product of its (nonzero) digits is 69120, while the sum is 38.
The spelling of 20493105482 in words is "twenty billion, four hundred ninety-three million, one hundred five thousand, four hundred eighty-two".
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