Base | Representation |
---|---|
bin | 10010110100001001… |
… | …010010000001111100 |
3 | 1221010221000011011112 |
4 | 102310021102001330 |
5 | 312333230414322 |
6 | 13140351141152 |
7 | 1313425606544 |
oct | 226411220174 |
9 | 57127004145 |
10 | 20202201212 |
11 | 8627685866 |
12 | 3ab98147b8 |
13 | 1b9c552b1b |
14 | d990bc324 |
15 | 7d38ac5e2 |
hex | 4b425207c |
20202201212 has 48 divisors (see below), whose sum is σ = 38753433600. Its totient is φ = 9178142400.
The previous prime is 20202201163. The next prime is 20202201223. The reversal of 20202201212 is 21210220202.
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, 302453 + ... + 363155.
It is an arithmetic number, because the mean of its divisors is an integer number (807363200).
Almost surely, 220202201212 is an apocalyptic number.
It is an amenable number.
20202201212 is a deficient number, since it is larger than the sum of its proper divisors (18551232388).
20202201212 is a wasteful number, since it uses less digits than its factorization.
20202201212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60906 (or 60904 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20202201212 its reverse (21210220202), we get a palindrome (41412421414).
The spelling of 20202201212 in words is "twenty billion, two hundred two million, two hundred one thousand, two hundred twelve".
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