Base | Representation |
---|---|
bin | 110101110001101100… |
… | …011001001011010101 |
3 | 12112001010211102210112 |
4 | 311301230121023111 |
5 | 1421223430201332 |
6 | 42305404132405 |
7 | 4112621136200 |
oct | 656154311325 |
9 | 175033742715 |
10 | 57742037717 |
11 | 22540969631 |
12 | b235837105 |
13 | 55a2a13230 |
14 | 2b1aa48937 |
15 | 177e3d6db2 |
hex | d71b192d5 |
57742037717 has 48 divisors (see below), whose sum is σ = 75557704320. Its totient is φ = 43655407488.
The previous prime is 57742037707. The next prime is 57742037747. The reversal of 57742037717 is 71773024775.
It is not a de Polignac number, because 57742037717 - 26 = 57742037653 is a prime.
It is a super-2 number, since 2×577420377172 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57742037707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26209538 + ... + 26211740.
It is an arithmetic number, because the mean of its divisors is an integer number (1574118840).
Almost surely, 257742037717 is an apocalyptic number.
It is an amenable number.
57742037717 is a deficient number, since it is larger than the sum of its proper divisors (17815666603).
57742037717 is a wasteful number, since it uses less digits than its factorization.
57742037717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4042 (or 4035 counting only the distinct ones).
The product of its (nonzero) digits is 2016840, while the sum is 50.
The spelling of 57742037717 in words is "fifty-seven billion, seven hundred forty-two million, thirty-seven thousand, seven hundred seventeen".
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