Base | Representation |
---|---|
bin | 10010110100001001… |
… | …010100111010010100 |
3 | 1221010221000202100120 |
4 | 102310021110322110 |
5 | 312333231304022 |
6 | 13140351311540 |
7 | 1313425656132 |
oct | 226411247224 |
9 | 57127022316 |
10 | 20202213012 |
11 | 8627693713 |
12 | 3ab981b5b0 |
13 | 1b9c5582c7 |
14 | d990c2752 |
15 | 7d38b0d5c |
hex | 4b4254e94 |
20202213012 has 48 divisors (see below), whose sum is σ = 48088915392. Its totient is φ = 6599473920.
The previous prime is 20202212999. The next prime is 20202213071. The reversal of 20202213012 is 21031220202.
It is a happy number.
It is a super-2 number, since 2×202022130122 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20202212982 and 20202213000.
It is a congruent 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, 64087 + ... + 210977.
It is an arithmetic number, because the mean of its divisors is an integer number (1001852404).
Almost surely, 220202213012 is an apocalyptic number.
It is an amenable number.
20202213012 is an abundant number, since it is smaller than the sum of its proper divisors (27886702380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202213012 is a wasteful number, since it uses less digits than its factorization.
20202213012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147128 (or 147126 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20202213012 its reverse (21031220202), we get a palindrome (41233433214).
The spelling of 20202213012 in words is "twenty billion, two hundred two million, two hundred thirteen thousand, twelve".
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