Base | Representation |
---|---|
bin | 110101101101000000… |
… | …001111000110000100 |
3 | 12111211122202211221220 |
4 | 311231000033012010 |
5 | 1421043304300340 |
6 | 42253513440340 |
7 | 4110644262264 |
oct | 655500170604 |
9 | 174748684856 |
10 | 57663353220 |
11 | 22500506820 |
12 | b2134100b0 |
13 | 558c623865 |
14 | 2b104057a4 |
15 | 1777542ed0 |
hex | d6d00f184 |
57663353220 has 48 divisors (see below), whose sum is σ = 176135335488. Its totient is φ = 13978994560.
The previous prime is 57663353203. The next prime is 57663353227. The reversal of 57663353220 is 2235336675.
It is not an unprimeable number, because it can be changed into a prime (57663353227) 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, 43683699 + ... + 43685018.
It is an arithmetic number, because the mean of its divisors is an integer number (3669486156).
Almost surely, 257663353220 is an apocalyptic number.
It is an amenable number.
57663353220 is an abundant number, since it is smaller than the sum of its proper divisors (118471982268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57663353220 is a wasteful number, since it uses less digits than its factorization.
57663353220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87368740 (or 87368738 counting only the distinct ones).
The product of its (nonzero) digits is 680400, while the sum is 42.
Adding to 57663353220 its reverse (2235336675), we get a palindrome (59898689895).
The spelling of 57663353220 in words is "fifty-seven billion, six hundred sixty-three million, three hundred fifty-three thousand, two hundred twenty".
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