Base | Representation |
---|---|
bin | 110000010101101011… |
… | …100010111111111111 |
3 | 11221222020022002121202 |
4 | 300111223202333333 |
5 | 1322244224012024 |
6 | 35502152450115 |
7 | 3515133102326 |
oct | 602553427777 |
9 | 157866262552 |
10 | 51903344639 |
11 | 200150a3053 |
12 | a0863a993b |
13 | 4b821a4a63 |
14 | 27254290bd |
15 | 153ba13bae |
hex | c15ae2fff |
51903344639 has 8 divisors (see below), whose sum is σ = 54647015280. Its totient is φ = 49160865600.
The previous prime is 51903344627. The next prime is 51903344707. The reversal of 51903344639 is 93644330915.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51903344639 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 51903344593 and 51903344602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51903344539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207782 + ... + 383379.
It is an arithmetic number, because the mean of its divisors is an integer number (6830876910).
Almost surely, 251903344639 is an apocalyptic number.
51903344639 is a deficient number, since it is larger than the sum of its proper divisors (2743670641).
51903344639 is a wasteful number, since it uses less digits than its factorization.
51903344639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595801.
The product of its (nonzero) digits is 1049760, while the sum is 47.
The spelling of 51903344639 in words is "fifty-one billion, nine hundred three million, three hundred forty-four thousand, six hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •