Base | Representation |
---|---|
bin | 1001001000001111… |
… | …10011101111000101 |
3 | 110122120002021211220 |
4 | 10210013303233011 |
5 | 40014123301424 |
6 | 2130153150553 |
7 | 232310522133 |
oct | 44407635705 |
9 | 13576067756 |
10 | 4900993989 |
11 | 2095535361 |
12 | b493bb459 |
13 | 6014a5658 |
14 | 346c8c753 |
15 | 1da3eb579 |
hex | 1241f3bc5 |
4900993989 has 24 divisors (see below), whose sum is σ = 6745495680. Its totient is φ = 3165087744.
The previous prime is 4900993987. The next prime is 4900994041. The reversal of 4900993989 is 9893990094.
It is not a de Polignac number, because 4900993989 - 21 = 4900993987 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4900993987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979077 + ... + 984069.
It is an arithmetic number, because the mean of its divisors is an integer number (281062320).
Almost surely, 24900993989 is an apocalyptic number.
It is an amenable number.
4900993989 is a deficient number, since it is larger than the sum of its proper divisors (1844501691).
4900993989 is a wasteful number, since it uses less digits than its factorization.
4900993989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5309 (or 5272 counting only the distinct ones).
The product of its (nonzero) digits is 5668704, while the sum is 60.
The square root of 4900993989 is about 70007.0995614016. The cubic root of 4900993989 is about 1698.6140941076.
The spelling of 4900993989 in words is "four billion, nine hundred million, nine hundred ninety-three thousand, nine hundred eighty-nine".
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