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2104742741 is a prime number
BaseRepresentation
bin111110101110011…
…1101001101010101
312102200110000020212
41331130331031111
513302303231431
6544503535205
7103105006133
oct17534751525
95380400225
102104742741
11990088412
124a8a5a505
1327708b80a
1415d762753
15c4ba272b
hex7d73d355

2104742741 has 2 divisors, whose sum is σ = 2104742742. Its totient is φ = 2104742740.

The previous prime is 2104742723. The next prime is 2104742747. The reversal of 2104742741 is 1472474012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272420241 + 832322500 = 35671^2 + 28850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104742741 - 214 = 2104726357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104742698 and 2104742707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104742747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052371370 + 1052371371.

It is an arithmetic number, because the mean of its divisors is an integer number (1052371371).

Almost surely, 22104742741 is an apocalyptic number.

It is an amenable number.

2104742741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104742741 is an equidigital number, since it uses as much as digits as its factorization.

2104742741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2104742741 is about 45877.4753119655. The cubic root of 2104742741 is about 1281.5424806769.

The spelling of 2104742741 in words is "two billion, one hundred four million, seven hundred forty-two thousand, seven hundred forty-one".