Base | Representation |
---|---|
bin | 10111010011011100000111… |
… | …00110010001010000011111 |
3 | 20201110000111101212120221112 |
4 | 23221232003212101100133 |
5 | 23204101201414443111 |
6 | 300553501320252235 |
7 | 13536235223342630 |
oct | 1351560346212037 |
9 | 221400441776845 |
10 | 51245462656031 |
11 | 15368095780586 |
12 | 58b786991107b |
13 | 2279570a2a287 |
14 | c924179d5887 |
15 | 5dd02abc6e8b |
hex | 2e9b8399141f |
51245462656031 has 8 divisors (see below), whose sum is σ = 59113591102080. Its totient is φ = 43514171226648.
The previous prime is 51245462656021. The next prime is 51245462656033. The reversal of 51245462656031 is 13065626454215.
51245462656031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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-51245462656031 is a prime.
It is a super-3 number, since 3×512454626560313 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51245462656033) 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, 34209253361 + ... + 34209254858.
It is an arithmetic number, because the mean of its divisors is an integer number (7389198887760).
Almost surely, 251245462656031 is an apocalyptic number.
51245462656031 is a deficient number, since it is larger than the sum of its proper divisors (7868128446049).
51245462656031 is a wasteful number, since it uses less digits than its factorization.
51245462656031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68418508333.
The product of its (nonzero) digits is 5184000, while the sum is 50.
The spelling of 51245462656031 in words is "fifty-one trillion, two hundred forty-five billion, four hundred sixty-two million, six hundred fifty-six thousand, thirty-one".
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