Base | Representation |
---|---|
bin | 110101101110000111… |
… | …001111010000100001 |
3 | 12111212221210111001022 |
4 | 311232013033100201 |
5 | 1421113040403423 |
6 | 42255420415225 |
7 | 4111261423262 |
oct | 655607172041 |
9 | 174787714038 |
10 | 57681966113 |
11 | 2250aa69982 |
12 | b2196a7515 |
13 | 559343c7c5 |
14 | 2b12a8c969 |
15 | 1778ebcdc8 |
hex | d6e1cf421 |
57681966113 has 8 divisors (see below), whose sum is σ = 58110815232. Its totient is φ = 57253230496.
The previous prime is 57681966071. The next prime is 57681966119. The reversal of 57681966113 is 31166918675.
57681966113 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 not a de Polignac number, because 57681966113 - 218 = 57681703969 is a prime.
It is a super-2 number, since 2×576819661132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (57681966119) 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, 1182656 + ... + 1230462.
It is an arithmetic number, because the mean of its divisors is an integer number (7263851904).
Almost surely, 257681966113 is an apocalyptic number.
It is an amenable number.
57681966113 is a deficient number, since it is larger than the sum of its proper divisors (428849119).
57681966113 is a wasteful number, since it uses less digits than its factorization.
57681966113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56751.
The product of its digits is 1632960, while the sum is 53.
The spelling of 57681966113 in words is "fifty-seven billion, six hundred eighty-one million, nine hundred sixty-six thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •