Base | Representation |
---|---|
bin | 10010110100001010… |
… | …001111110011000100 |
3 | 1221010221111000012220 |
4 | 102310022033303010 |
5 | 312333312013322 |
6 | 13140400412340 |
7 | 1313431012263 |
oct | 226412176304 |
9 | 57127430186 |
10 | 20202454212 |
11 | 8627838956 |
12 | 3ab99170b0 |
13 | 1b9c611025 |
14 | d991465da |
15 | 7d390c55c |
hex | 4b428fcc4 |
20202454212 has 48 divisors (see below), whose sum is σ = 48584461632. Its totient is φ = 6528954240.
The previous prime is 20202454211. The next prime is 20202454241. The reversal of 20202454212 is 21245420202.
It is not an unprimeable number, because it can be changed into a prime (20202454211) 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, 45262 + ... + 206042.
It is an arithmetic number, because the mean of its divisors is an integer number (1012176284).
Almost surely, 220202454212 is an apocalyptic number.
It is an amenable number.
20202454212 is an abundant number, since it is smaller than the sum of its proper divisors (28382007420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202454212 is a wasteful number, since it uses less digits than its factorization.
20202454212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161108 (or 161106 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
Adding to 20202454212 its reverse (21245420202), we get a palindrome (41447874414).
The spelling of 20202454212 in words is "twenty billion, two hundred two million, four hundred fifty-four thousand, two hundred twelve".
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