Base | Representation |
---|---|
bin | 110101101101000011… |
… | …010001101010100101 |
3 | 12111211201021100011222 |
4 | 311231003101222211 |
5 | 1421044010301211 |
6 | 42253542510125 |
7 | 4110654121631 |
oct | 655503215245 |
9 | 174751240158 |
10 | 57664150181 |
11 | 22500a00570 |
12 | b213735345 |
13 | 558c842531 |
14 | 2b10571dc1 |
15 | 177764e1db |
hex | d6d0d1aa5 |
57664150181 has 16 divisors (see below), whose sum is σ = 63092711808. Its totient is φ = 52266816000.
The previous prime is 57664150169. The next prime is 57664150189. The reversal of 57664150181 is 18105146675.
57664150181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 57664150181 - 222 = 57659955877 is a prime.
It is a super-2 number, since 2×576641501812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57664150189) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9937481 + ... + 9943281.
It is an arithmetic number, because the mean of its divisors is an integer number (3943294488).
Almost surely, 257664150181 is an apocalyptic number.
It is an amenable number.
57664150181 is a deficient number, since it is larger than the sum of its proper divisors (5428561627).
57664150181 is a wasteful number, since it uses less digits than its factorization.
57664150181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8332.
The product of its (nonzero) digits is 201600, while the sum is 44.
The spelling of 57664150181 in words is "fifty-seven billion, six hundred sixty-four million, one hundred fifty thousand, one hundred eighty-one".
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