Base | Representation |
---|---|
bin | 101111101110110111… |
… | …100001110111100111 |
3 | 11220021212000012212012 |
4 | 233232313201313213 |
5 | 1314431024034221 |
6 | 35313411544435 |
7 | 3463035202502 |
oct | 575667416747 |
9 | 156255005765 |
10 | 51252174311 |
11 | 1a810575158 |
12 | 9b242bb11b |
13 | 4aaa301180 |
14 | 26a2b62139 |
15 | 14ee78965b |
hex | beede1de7 |
51252174311 has 16 divisors (see below), whose sum is σ = 58456821024. Its totient is φ = 44515021824.
The previous prime is 51252174293. The next prime is 51252174313. The reversal of 51252174311 is 11347125215.
It is a de Polignac number, because none of the positive numbers 2k-51252174311 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51252174313) 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, 868016 + ... + 925178.
It is an arithmetic number, because the mean of its divisors is an integer number (3653551314).
Almost surely, 251252174311 is an apocalyptic number.
51252174311 is a deficient number, since it is larger than the sum of its proper divisors (7204646713).
51252174311 is a wasteful number, since it uses less digits than its factorization.
51252174311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61250.
The product of its digits is 8400, while the sum is 32.
Adding to 51252174311 its reverse (11347125215), we get a palindrome (62599299526).
The spelling of 51252174311 in words is "fifty-one billion, two hundred fifty-two million, one hundred seventy-four thousand, three hundred eleven".
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