Base | Representation |
---|---|
bin | 110101010010110111… |
… | …010010000000000000 |
3 | 12110201002112221120200 |
4 | 311102313102000000 |
5 | 1414144022020313 |
6 | 42142210005200 |
7 | 4064040521244 |
oct | 652267220000 |
9 | 173632487520 |
10 | 57224798208 |
11 | 222a59a7966 |
12 | b110576800 |
13 | 551c803356 |
14 | 2aac086424 |
15 | 174dcb5b73 |
hex | d52dd2000 |
57224798208 has 126 divisors (see below), whose sum is σ = 165493841097. Its totient is φ = 19053281280.
The previous prime is 57224798203. The next prime is 57224798219. The reversal of 57224798208 is 80289742275.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
57224798208 is a `hidden beast` number, since 572 + 2 + 47 + 9 + 8 + 20 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 50376904704 + 6847893504 = 224448^2 + 82752^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=169152.
It is a super-2 number, since 2×572247982082 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57224798201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 64953928 + ... + 64954808.
Almost surely, 257224798208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57224798208
57224798208 is an abundant number, since it is smaller than the sum of its proper divisors (108269042889).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57224798208 is an frugal number, since it uses more digits than its factorization.
57224798208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1794 (or 886 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 57224798208 in words is "fifty-seven billion, two hundred twenty-four million, seven hundred ninety-eight thousand, two hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •