Base | Representation |
---|---|
bin | 10011011100101011… |
… | …001101110110001000 |
3 | 1222220022111221101210 |
4 | 103130223031312020 |
5 | 320231314414413 |
6 | 13332041413120 |
7 | 1336323435414 |
oct | 233453156610 |
9 | 58808457353 |
10 | 20882185608 |
11 | 89464a4139 |
12 | 406949a1a0 |
13 | 1c7a3a495b |
14 | 1021525d44 |
15 | 8234293c3 |
hex | 4dcacdd88 |
20882185608 has 32 divisors (see below), whose sum is σ = 52743670560. Its totient is φ = 6888967680.
The previous prime is 20882185567. The next prime is 20882185633. The reversal of 20882185608 is 80658128802.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482678 + ... + 4487333.
It is an arithmetic number, because the mean of its divisors is an integer number (1648239705).
Almost surely, 220882185608 is an apocalyptic number.
It is an amenable number.
20882185608 is an abundant number, since it is smaller than the sum of its proper divisors (31861484952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20882185608 is a wasteful number, since it uses less digits than its factorization.
20882185608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8970117 (or 8970113 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 48.
The spelling of 20882185608 in words is "twenty billion, eight hundred eighty-two million, one hundred eighty-five thousand, six hundred eight".
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