Base | Representation |
---|---|
bin | 10010101010100100… |
… | …000100011011001100 |
3 | 1220201201112012121211 |
4 | 102222210010123030 |
5 | 312021102414322 |
6 | 13112405504204 |
7 | 1306434344626 |
oct | 225244043314 |
9 | 56651465554 |
10 | 20041451212 |
11 | 8554970a22 |
12 | 3a73a12064 |
13 | 1b7515bb93 |
14 | d819d5c16 |
15 | 7c4707b77 |
hex | 4aa9046cc |
20041451212 has 24 divisors (see below), whose sum is σ = 36622559232. Its totient is φ = 9578461200.
The previous prime is 20041451207. The next prime is 20041451263. The reversal of 20041451212 is 21215414002.
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, 61287 + ... + 209377.
It is an arithmetic number, because the mean of its divisors is an integer number (1525939968).
Almost surely, 220041451212 is an apocalyptic number.
It is an amenable number.
20041451212 is a deficient number, since it is larger than the sum of its proper divisors (16581108020).
20041451212 is a wasteful number, since it uses less digits than its factorization.
20041451212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149589 (or 149587 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 20041451212 its reverse (21215414002), we get a palindrome (41256865214).
The spelling of 20041451212 in words is "twenty billion, forty-one million, four hundred fifty-one thousand, two hundred twelve".
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