Base | Representation |
---|---|
bin | 101101101011010110… |
… | …110101100111010001 |
3 | 11200121002022020101210 |
4 | 231223112311213101 |
5 | 1300421210223022 |
6 | 34310433250333 |
7 | 3354254220612 |
oct | 555326654721 |
9 | 150532266353 |
10 | 49045789137 |
11 | 19889084334 |
12 | 96094039a9 |
13 | 4818175407 |
14 | 2533b01c09 |
15 | 1420c0aa0c |
hex | b6b5b59d1 |
49045789137 has 16 divisors (see below), whose sum is σ = 68842046720. Its totient is φ = 30973654800.
The previous prime is 49045789097. The next prime is 49045789139. The reversal of 49045789137 is 73198754094.
It is a happy number.
It is not a de Polignac number, because 49045789137 - 215 = 49045756369 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49045789139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810462 + ... + 868872.
It is an arithmetic number, because the mean of its divisors is an integer number (4302627920).
Almost surely, 249045789137 is an apocalyptic number.
It is an amenable number.
49045789137 is a deficient number, since it is larger than the sum of its proper divisors (19796257583).
49045789137 is a wasteful number, since it uses less digits than its factorization.
49045789137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73164.
The product of its (nonzero) digits is 7620480, while the sum is 57.
The spelling of 49045789137 in words is "forty-nine billion, forty-five million, seven hundred eighty-nine thousand, one hundred thirty-seven".
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