Base | Representation |
---|---|
bin | 101111011011101110… |
… | …011001000101101001 |
3 | 11212110110200110220202 |
4 | 233123232121011221 |
5 | 1313301314340240 |
6 | 35221500201545 |
7 | 3452055313202 |
oct | 573356310551 |
9 | 155413613822 |
10 | 50931011945 |
11 | 1a666257110 |
12 | 9a548392b5 |
13 | 4a58903b78 |
14 | 26722405a9 |
15 | 14d149a315 |
hex | bdbb99169 |
50931011945 has 16 divisors (see below), whose sum is σ = 67333464000. Its totient is φ = 36673992000.
The previous prime is 50931011941. The next prime is 50931011951. The reversal of 50931011945 is 54911013905.
It is not a de Polignac number, because 50931011945 - 22 = 50931011941 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 50931011899 and 50931011908.
It is not an unprimeable number, because it can be changed into a prime (50931011941) 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, 4578695 + ... + 4589804.
It is an arithmetic number, because the mean of its divisors is an integer number (4208341500).
Almost surely, 250931011945 is an apocalyptic number.
50931011945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
50931011945 is a deficient number, since it is larger than the sum of its proper divisors (16402452055).
50931011945 is a wasteful number, since it uses less digits than its factorization.
50931011945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9168616.
The product of its (nonzero) digits is 24300, while the sum is 38.
The spelling of 50931011945 in words is "fifty billion, nine hundred thirty-one million, eleven thousand, nine hundred forty-five".
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