Base | Representation |
---|---|
bin | 10010101110101101… |
… | …011011000111001110 |
3 | 1220220120102021111111 |
4 | 102232231123013032 |
5 | 312141404343202 |
6 | 13123332442234 |
7 | 1311240532633 |
oct | 225655330716 |
9 | 56816367444 |
10 | 20111012302 |
11 | 8590162227 |
12 | 3a9317937a |
13 | 1b866a59a4 |
14 | d8ad4218a |
15 | 7ca8986d7 |
hex | 4aeb5b1ce |
20111012302 has 8 divisors (see below), whose sum is σ = 30448448856. Its totient is φ = 9961529352.
The previous prime is 20111012281. The next prime is 20111012309. The reversal of 20111012302 is 20321011102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×201110123022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20111012309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46988133 + ... + 46988560.
It is an arithmetic number, because the mean of its divisors is an integer number (3806056107).
Almost surely, 220111012302 is an apocalyptic number.
20111012302 is a deficient number, since it is larger than the sum of its proper divisors (10337436554).
20111012302 is a wasteful number, since it uses less digits than its factorization.
20111012302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93976802.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20111012302 its reverse (20321011102), we get a palindrome (40432023404).
The spelling of 20111012302 in words is "twenty billion, one hundred eleven million, twelve thousand, three hundred two".
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