Base | Representation |
---|---|
bin | 101111110010011101… |
… | …010011110110010001 |
3 | 11220110001100111200200 |
4 | 233302131103312101 |
5 | 1320041434110001 |
6 | 35323403005413 |
7 | 3464366200656 |
oct | 576235236621 |
9 | 156401314620 |
10 | 51312410001 |
11 | 1a841577116 |
12 | 9b40509869 |
13 | 4ab99314a8 |
14 | 26aab61c2d |
15 | 1504bd7086 |
hex | bf2753d91 |
51312410001 has 12 divisors (see below), whose sum is σ = 74308465140. Its totient is φ = 34120332000.
The previous prime is 51312409999. The next prime is 51312410011. The reversal of 51312410001 is 10001421315.
It can be written as a sum of positive squares in 2 ways, for example, as 36510037776 + 14802372225 = 191076^2 + 121665^2 .
It is not a de Polignac number, because 51312410001 - 21 = 51312409999 is a prime.
It is a super-2 number, since 2×513124100012 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51312410011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7324750 + ... + 7331751.
It is an arithmetic number, because the mean of its divisors is an integer number (6192372095).
Almost surely, 251312410001 is an apocalyptic number.
It is an amenable number.
51312410001 is a deficient number, since it is larger than the sum of its proper divisors (22996055139).
51312410001 is a wasteful number, since it uses less digits than its factorization.
51312410001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14656896 (or 14656893 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 51312410001 its reverse (10001421315), we get a palindrome (61313831316).
The spelling of 51312410001 in words is "fifty-one billion, three hundred twelve million, four hundred ten thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •