Base | Representation |
---|---|
bin | 10010101000110000… |
… | …000110111111010100 |
3 | 1220122121022211010120 |
4 | 102220300012333110 |
5 | 311440312144022 |
6 | 13105402151540 |
7 | 1305615100266 |
oct | 225060067724 |
9 | 56577284116 |
10 | 20011053012 |
11 | 8539799345 |
12 | 3a657b25b0 |
13 | 1b6ba77892 |
14 | d7b961b36 |
15 | 7c1c00d5c |
hex | 4a8c06fd4 |
20011053012 has 24 divisors (see below), whose sum is σ = 46695714912. Its totient is φ = 6669885600.
The previous prime is 20011052969. The next prime is 20011053037. The reversal of 20011053012 is 21035011002.
It is a junction number, because it is equal to n+sod(n) for n = 20011052982 and 20011053000.
It is a congruent number.
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, 151087 + ... + 250697.
It is an arithmetic number, because the mean of its divisors is an integer number (1945654788).
Almost surely, 220011053012 is an apocalyptic number.
It is an amenable number.
20011053012 is an abundant number, since it is smaller than the sum of its proper divisors (26684661900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20011053012 is a wasteful number, since it uses less digits than its factorization.
20011053012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116359 (or 116357 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
Adding to 20011053012 its reverse (21035011002), we get a palindrome (41046064014).
The spelling of 20011053012 in words is "twenty billion, eleven million, fifty-three thousand, twelve".
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