Base | Representation |
---|---|
bin | 1001001001010011110111… |
… | …00100011001111111101110 |
3 | 2122012121021211120101201111 |
4 | 10210221323210121333232 |
5 | 10114000023131133402 |
6 | 110434525535302234 |
7 | 4143660024433312 |
oct | 444517344317756 |
9 | 78177254511644 |
10 | 20111110021102 |
11 | 645408a347461 |
12 | 230980207a97a |
13 | b2b61475c959 |
14 | 4d7550a2bb42 |
15 | 24d2096439d7 |
hex | 124a7b919fee |
20111110021102 has 16 divisors (see below), whose sum is σ = 31479720814080. Its totient is φ = 9617910351192.
The previous prime is 20111110021063. The next prime is 20111110021117. The reversal of 20111110021102 is 20112001111102.
It is a happy number.
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, 9147858 + ... + 11131285.
It is an arithmetic number, because the mean of its divisors is an integer number (1967482550880).
Almost surely, 220111110021102 is an apocalyptic number.
20111110021102 is a deficient number, since it is larger than the sum of its proper divisors (11368610792978).
20111110021102 is a wasteful number, since it uses less digits than its factorization.
20111110021102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20300727.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 20111110021102 its reverse (20112001111102), we get a palindrome (40223111132204).
The spelling of 20111110021102 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, one hundred two".
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