Base | Representation |
---|---|
bin | 101111111010010111… |
… | …111110110110100110 |
3 | 11220210022021111212110 |
4 | 233322113332312212 |
5 | 1320324434343024 |
6 | 35344505501450 |
7 | 3500601151152 |
oct | 577227766646 |
9 | 156708244773 |
10 | 51445231014 |
11 | 1a8aa545551 |
12 | 9b78aa1886 |
13 | 4b0b2c6cc8 |
14 | 26c0658062 |
15 | 15116c1629 |
hex | bfa5feda6 |
51445231014 has 16 divisors (see below), whose sum is σ = 102895237440. Its totient is φ = 17147614440.
The previous prime is 51445231009. The next prime is 51445231021. The reversal of 51445231014 is 41013254415.
It is a super-2 number, since 2×514452310142 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50392 + ... + 324699.
It is an arithmetic number, because the mean of its divisors is an integer number (6430952340).
Almost surely, 251445231014 is an apocalyptic number.
51445231014 is an abundant number, since it is smaller than the sum of its proper divisors (51450006426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51445231014 is a wasteful number, since it uses less digits than its factorization.
51445231014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397955.
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 51445231014 its reverse (41013254415), we get a palindrome (92458485429).
The spelling of 51445231014 in words is "fifty-one billion, four hundred forty-five million, two hundred thirty-one thousand, fourteen".
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