Base | Representation |
---|---|
bin | 10010101111111101… |
… | …110111100011011000 |
3 | 1220222001002122210220 |
4 | 102233331313203120 |
5 | 312212304202222 |
6 | 13125404440040 |
7 | 1311615013002 |
oct | 225775674330 |
9 | 56861078726 |
10 | 20132100312 |
11 | 85a1055a35 |
12 | 3a9a249020 |
13 | 1b8ab7a3bc |
14 | d8da71372 |
15 | 7cc661b5c |
hex | 4aff778d8 |
20132100312 has 64 divisors (see below), whose sum is σ = 51011532000. Its totient is φ = 6620396544.
The previous prime is 20132100299. The next prime is 20132100319. The reversal of 20132100312 is 21300123102.
It is a junction number, because it is equal to n+sod(n) for n = 20132100291 and 20132100300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132100319) 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, 593014 + ... + 626042.
Almost surely, 220132100312 is an apocalyptic number.
It is an amenable number.
20132100312 is an abundant number, since it is smaller than the sum of its proper divisors (30879431688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132100312 is a wasteful number, since it uses less digits than its factorization.
20132100312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33380 (or 33376 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20132100312 its reverse (21300123102), we get a palindrome (41432223414).
The spelling of 20132100312 in words is "twenty billion, one hundred thirty-two million, one hundred thousand, three hundred twelve".
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