Base | Representation |
---|---|
bin | 1101010011100010100… |
… | …1110111011010110000 |
3 | 210212000101200102121120 |
4 | 3110320221313122300 |
5 | 12221114421000210 |
6 | 253002051222240 |
7 | 22341342643554 |
oct | 3247051673260 |
9 | 725011612546 |
10 | 228583765680 |
11 | 88a3a638446 |
12 | 383742a7980 |
13 | 1872b1703aa |
14 | b0c63cd864 |
15 | 5e2ca9d270 |
hex | 3538a776b0 |
228583765680 has 80 divisors (see below), whose sum is σ = 713782109664. Its totient is φ = 60510730240.
The previous prime is 228583765651. The next prime is 228583765687. The reversal of 228583765680 is 86567385822.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (60).
It is not an unprimeable number, because it can be changed into a prime (228583765687) 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, 3443151 + ... + 3508910.
Almost surely, 2228583765680 is an apocalyptic number.
228583765680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228583765680 is an abundant number, since it is smaller than the sum of its proper divisors (485198343984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228583765680 is a wasteful number, since it uses less digits than its factorization.
228583765680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6952214 (or 6952208 counting only the distinct ones).
The product of its (nonzero) digits is 38707200, while the sum is 60.
The spelling of 228583765680 in words is "two hundred twenty-eight billion, five hundred eighty-three million, seven hundred sixty-five thousand, six hundred eighty".
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