Base | Representation |
---|---|
bin | 10011011011000001… |
… | …100010010101001100 |
3 | 1222211101101110112120 |
4 | 103123001202111030 |
5 | 320202221413002 |
6 | 13325211532540 |
7 | 1335536113542 |
oct | 233301422514 |
9 | 58741343476 |
10 | 20854482252 |
11 | 89318a21aa |
12 | 406015a150 |
13 | 1c74725136 |
14 | 101b993d92 |
15 | 820ca5cbc |
hex | 4db06254c |
20854482252 has 48 divisors (see below), whose sum is σ = 49526991360. Its totient is φ = 6828599232.
The previous prime is 20854482227. The next prime is 20854482281. The reversal of 20854482252 is 25228445802.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130923 + ... + 242589.
It is an arithmetic number, because the mean of its divisors is an integer number (1031812320).
Almost surely, 220854482252 is an apocalyptic number.
It is an amenable number.
20854482252 is an abundant number, since it is smaller than the sum of its proper divisors (28672509108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20854482252 is a wasteful number, since it uses less digits than its factorization.
20854482252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111950 (or 111948 counting only the distinct ones).
The product of its (nonzero) digits is 409600, while the sum is 42.
The spelling of 20854482252 in words is "twenty billion, eight hundred fifty-four million, four hundred eighty-two thousand, two hundred fifty-two".
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