Base | Representation |
---|---|
bin | 101111011111110101… |
… | …101011010000100001 |
3 | 11212122021112222012221 |
4 | 233133311223100201 |
5 | 1313422001431431 |
6 | 35232403351041 |
7 | 3453554050546 |
oct | 573765532041 |
9 | 155567488187 |
10 | 51000030241 |
11 | 1a6a1207626 |
12 | 9a73982481 |
13 | 4a69cba8b4 |
14 | 267b488bcd |
15 | 14d7580111 |
hex | bdfd6b421 |
51000030241 has 8 divisors (see below), whose sum is σ = 51264100800. Its totient is φ = 50736037968.
The previous prime is 51000030233. The next prime is 51000030247. The reversal of 51000030241 is 14203000015.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51000030241 - 23 = 51000030233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51000030247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653735 + ... + 1684291.
It is an arithmetic number, because the mean of its divisors is an integer number (6408012600).
Almost surely, 251000030241 is an apocalyptic number.
It is an amenable number.
51000030241 is a deficient number, since it is larger than the sum of its proper divisors (264070559).
51000030241 is a wasteful number, since it uses less digits than its factorization.
51000030241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39143.
The product of its (nonzero) digits is 120, while the sum is 16.
Adding to 51000030241 its reverse (14203000015), we get a palindrome (65203030256).
The spelling of 51000030241 in words is "fifty-one billion, thirty thousand, two hundred forty-one".
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