Base | Representation |
---|---|
bin | 101111101111101001… |
… | …111111100111001101 |
3 | 11220022202220022200021 |
4 | 233233221333213031 |
5 | 1314442420401331 |
6 | 35315003302141 |
7 | 3463255511215 |
oct | 575751774715 |
9 | 156282808607 |
10 | 51265403341 |
11 | 1a817a90339 |
12 | 9b2881a951 |
13 | 4aacc836b9 |
14 | 26a4807245 |
15 | 15009ee211 |
hex | befa7f9cd |
51265403341 has 4 divisors (see below), whose sum is σ = 53033175900. Its totient is φ = 49497630784.
The previous prime is 51265403281. The next prime is 51265403353. The reversal of 51265403341 is 14330456215.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14330456215 = 5 ⋅2866091243.
It can be written as a sum of positive squares in 2 ways, for example, as 19928968900 + 31336434441 = 141170^2 + 177021^2 .
It is a cyclic number.
It is not a de Polignac number, because 51265403341 - 215 = 51265370573 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 51265403297 and 51265403306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51265403941) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883886236 + ... + 883886293.
It is an arithmetic number, because the mean of its divisors is an integer number (13258293975).
Almost surely, 251265403341 is an apocalyptic number.
It is an amenable number.
51265403341 is a deficient number, since it is larger than the sum of its proper divisors (1767772559).
51265403341 is a wasteful number, since it uses less digits than its factorization.
51265403341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1767772558.
The product of its (nonzero) digits is 43200, while the sum is 34.
Adding to 51265403341 its reverse (14330456215), we get a palindrome (65595859556).
The spelling of 51265403341 in words is "fifty-one billion, two hundred sixty-five million, four hundred three thousand, three hundred forty-one".
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