Base | Representation |
---|---|
bin | 100111011100101110… |
… | …0010010101100111100 |
3 | 22002122222022100222020 |
4 | 1032321130102230330 |
5 | 2341444142031340 |
6 | 102530124520140 |
7 | 6056221356615 |
oct | 1167134225474 |
9 | 262588270866 |
10 | 84715580220 |
11 | 32a22811317 |
12 | 145030b0050 |
13 | 7cb108c37b |
14 | 4159160c0c |
15 | 230c4929d0 |
hex | 13b9712b3c |
84715580220 has 48 divisors (see below), whose sum is σ = 238041847680. Its totient is φ = 22510990656.
The previous prime is 84715580197. The next prime is 84715580227. The reversal of 84715580220 is 2208551748.
It is a super-2 number, since 2×847155802202 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84715580227) 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, 2477590 + ... + 2511549.
It is an arithmetic number, because the mean of its divisors is an integer number (4959205160).
Almost surely, 284715580220 is an apocalyptic number.
It is an amenable number.
84715580220 is an abundant number, since it is smaller than the sum of its proper divisors (153326267460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84715580220 is a wasteful number, since it uses less digits than its factorization.
84715580220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4989434 (or 4989432 counting only the distinct ones).
The product of its (nonzero) digits is 179200, while the sum is 42.
The spelling of 84715580220 in words is "eighty-four billion, seven hundred fifteen million, five hundred eighty thousand, two hundred twenty".
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