Base | Representation |
---|---|
bin | 10010101000001101… |
… | …100111101111010000 |
3 | 1220121222022111100102 |
4 | 102220031213233100 |
5 | 311431003341422 |
6 | 13104440311532 |
7 | 1305445204055 |
oct | 225015475720 |
9 | 56558274312 |
10 | 20002012112 |
11 | 8534683825 |
12 | 3a627725a8 |
13 | 1b69c30734 |
14 | d7a68b02c |
15 | 7c1017192 |
hex | 4a8367bd0 |
20002012112 has 10 divisors (see below), whose sum is σ = 38753898498. Its totient is φ = 10001006048.
The previous prime is 20002012111. The next prime is 20002012171. The reversal of 20002012112 is 21121020002.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 14410561936 + 5591450176 = 120044^2 + 74776^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20002012093 and 20002012102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20002012111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625062863 + ... + 625062894.
Almost surely, 220002012112 is an apocalyptic number.
It is an amenable number.
20002012112 is a deficient number, since it is larger than the sum of its proper divisors (18751886386).
20002012112 is a wasteful number, since it uses less digits than its factorization.
20002012112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1250125765 (or 1250125759 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20002012112 its reverse (21121020002), we get a palindrome (41123032114).
The spelling of 20002012112 in words is "twenty billion, two million, twelve thousand, one hundred twelve".
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