Base | Representation |
---|---|
bin | 100001001111000111111… |
… | …010100001100111000101 |
3 | 22002100100121101222201101 |
4 | 201033013322201213011 |
5 | 244410043300022211 |
6 | 4505125141100101 |
7 | 324004123430641 |
oct | 41170772414705 |
9 | 8070317358641 |
10 | 2283981642181 |
11 | 8006a4103838 |
12 | 30a7989b7631 |
13 | 1374bc87cc35 |
14 | 7c78c441c21 |
15 | 3e62926b5c1 |
hex | 213c7ea19c5 |
2283981642181 has 2 divisors, whose sum is σ = 2283981642182. Its totient is φ = 2283981642180.
The previous prime is 2283981642139. The next prime is 2283981642191. The reversal of 2283981642181 is 1812461893822.
2283981642181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2177601948900 + 106379693281 = 1475670^2 + 326159^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2283981642181 is a prime.
It is a super-2 number, since 2×22839816421812 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2283981642191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141990821090 + 1141990821091.
It is an arithmetic number, because the mean of its divisors is an integer number (1141990821091).
Almost surely, 22283981642181 is an apocalyptic number.
It is an amenable number.
2283981642181 is a deficient number, since it is larger than the sum of its proper divisors (1).
2283981642181 is an equidigital number, since it uses as much as digits as its factorization.
2283981642181 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2654208, while the sum is 55.
The spelling of 2283981642181 in words is "two trillion, two hundred eighty-three billion, nine hundred eighty-one million, six hundred forty-two thousand, one hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •