Base | Representation |
---|---|
bin | 110101001101100101… |
… | …001010010001100000 |
3 | 12110110220202202102000 |
4 | 311031211022101200 |
5 | 1414003324140023 |
6 | 42125322124000 |
7 | 4061613235311 |
oct | 651545122140 |
9 | 173426682360 |
10 | 57136161888 |
11 | 2225a968103 |
12 | b0a6950600 |
13 | 550733b020 |
14 | 2aa03b2608 |
15 | 1746108243 |
hex | d4d94a460 |
57136161888 has 96 divisors (see below), whose sum is σ = 179466184800. Its totient is φ = 17580354048.
The previous prime is 57136161881. The next prime is 57136161899. The reversal of 57136161888 is 88816163175.
57136161888 is a `hidden beast` number, since 5 + 7 + 1 + 3 + 616 + 18 + 8 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57136161881) 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, 2532223 + ... + 2554686.
It is an arithmetic number, because the mean of its divisors is an integer number (1869439425).
Almost surely, 257136161888 is an apocalyptic number.
It is an amenable number.
57136161888 is an abundant number, since it is smaller than the sum of its proper divisors (122330022912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57136161888 is a wasteful number, since it uses less digits than its factorization.
57136161888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5086941 (or 5086927 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 54.
It can be divided in two parts, 57136 and 161888, that added together give a square (219024 = 4682).
The spelling of 57136161888 in words is "fifty-seven billion, one hundred thirty-six million, one hundred sixty-one thousand, eight hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •