Base | Representation |
---|---|
bin | 101110011000100111… |
… | …111101000101001101 |
3 | 11202120000100220001222 |
4 | 232120213331011031 |
5 | 1304000121012033 |
6 | 34514043213125 |
7 | 3412135435046 |
oct | 563047750515 |
9 | 152500326058 |
10 | 49805250893 |
11 | 1a138847182 |
12 | 979b8171a5 |
13 | 4909603778 |
14 | 25a69178cd |
15 | 1467726598 |
hex | b989fd14d |
49805250893 has 8 divisors (see below), whose sum is σ = 51974167488. Its totient is φ = 47636623584.
The previous prime is 49805250889. The next prime is 49805250919. The reversal of 49805250893 is 39805250894.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49805250893 - 22 = 49805250889 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49805250853) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326321 + ... + 453977.
It is an arithmetic number, because the mean of its divisors is an integer number (6496770936).
Almost surely, 249805250893 is an apocalyptic number.
It is an amenable number.
49805250893 is a deficient number, since it is larger than the sum of its proper divisors (2168916595).
49805250893 is a wasteful number, since it uses less digits than its factorization.
49805250893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144643.
The product of its (nonzero) digits is 3110400, while the sum is 53.
Subtracting from 49805250893 its reverse (39805250894), we obtain a palindrome (9999999999).
The spelling of 49805250893 in words is "forty-nine billion, eight hundred five million, two hundred fifty thousand, eight hundred ninety-three".
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