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2283981642181 is a prime number
BaseRepresentation
bin100001001111000111111…
…010100001100111000101
322002100100121101222201101
4201033013322201213011
5244410043300022211
64505125141100101
7324004123430641
oct41170772414705
98070317358641
102283981642181
118006a4103838
1230a7989b7631
131374bc87cc35
147c78c441c21
153e62926b5c1
hex213c7ea19c5

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".