Base | Representation |
---|---|
bin | 11110101110001101111… |
… | …110111001111100001001 |
3 | 21110211101221000000112021 |
4 | 132232031332321330021 |
5 | 234042230010120131 |
6 | 4253513231044441 |
7 | 305346530402134 |
oct | 36561576717411 |
9 | 7424357000467 |
10 | 2111211020041 |
11 | 7443a5644202 |
12 | 2a1200370721 |
13 | 124117913686 |
14 | 7427c83121b |
15 | 39db658ae11 |
hex | 1eb8dfb9f09 |
2111211020041 has 2 divisors, whose sum is σ = 2111211020042. Its totient is φ = 2111211020040.
The previous prime is 2111211019979. The next prime is 2111211020047. The reversal of 2111211020041 is 1400201121112.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1955813438016 + 155397582025 = 1398504^2 + 394205^2 .
It is a cyclic number.
It is not a de Polignac number, because 2111211020041 - 219 = 2111210495753 is a prime.
It is a super-2 number, since 2×21112110200412 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2111211019997 and 2111211020024.
It is not a weakly prime, because it can be changed into another prime (2111211020047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605510020 + 1055605510021.
It is an arithmetic number, because the mean of its divisors is an integer number (1055605510021).
Almost surely, 22111211020041 is an apocalyptic number.
It is an amenable number.
2111211020041 is a deficient number, since it is larger than the sum of its proper divisors (1).
2111211020041 is an equidigital number, since it uses as much as digits as its factorization.
2111211020041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 2111211020041 its reverse (1400201121112), we get a palindrome (3511412141153).
The spelling of 2111211020041 in words is "two trillion, one hundred eleven billion, two hundred eleven million, twenty thousand, forty-one".
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