Base | Representation |
---|---|
bin | 101110111111001000… |
… | …011111001110010010 |
3 | 11211020001001021102200 |
4 | 232333020133032102 |
5 | 1311311014013204 |
6 | 35102122424030 |
7 | 3434142042465 |
oct | 567710371622 |
9 | 154201037380 |
10 | 50451313554 |
11 | 1a43a4a6664 |
12 | 9940062016 |
13 | 49b0409575 |
14 | 26286512dc |
15 | 14a42e2539 |
hex | bbf21f392 |
50451313554 has 48 divisors (see below), whose sum is σ = 111136570584. Its totient is φ = 16536441600.
The previous prime is 50451313553. The next prime is 50451313589. The reversal of 50451313554 is 45531315405.
50451313554 is a `hidden beast` number, since 5 + 0 + 4 + 513 + 135 + 5 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 16862321025 + 33588992529 = 129855^2 + 183273^2 .
It is a super-2 number, since 2×504513135542 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50451313553) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6123822 + ... + 6132054.
Almost surely, 250451313554 is an apocalyptic number.
50451313554 is an abundant number, since it is smaller than the sum of its proper divisors (60685257030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50451313554 is a wasteful number, since it uses less digits than its factorization.
50451313554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13883 (or 13880 counting only the distinct ones).
The product of its (nonzero) digits is 90000, while the sum is 36.
Adding to 50451313554 its reverse (45531315405), we get a palindrome (95982628959).
The spelling of 50451313554 in words is "fifty billion, four hundred fifty-one million, three hundred thirteen thousand, five hundred fifty-four".
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