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7048256261 is a prime number
BaseRepresentation
bin1101001000001101…
…11101101100000101
3200012012112111221012
412210012331230011
5103413323200021
63123220332005
7336443122034
oct64406755405
920165474835
107048256261
112a97614282
121448544005
13884300747
144ac11c71b
152b3b9c35b
hex1a41bdb05

7048256261 has 2 divisors, whose sum is σ = 7048256262. Its totient is φ = 7048256260.

The previous prime is 7048256239. The next prime is 7048256263. The reversal of 7048256261 is 1626528407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6755196100 + 293060161 = 82190^2 + 17119^2 .

It is a cyclic number.

It is not a de Polignac number, because 7048256261 - 26 = 7048256197 is a prime.

Together with 7048256263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7048256263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3524128130 + 3524128131.

It is an arithmetic number, because the mean of its divisors is an integer number (3524128131).

Almost surely, 27048256261 is an apocalyptic number.

It is an amenable number.

7048256261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7048256261 is an equidigital number, since it uses as much as digits as its factorization.

7048256261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 7048256261 is about 83953.8936619380. The cubic root of 7048256261 is about 1917.3168776437.

The spelling of 7048256261 in words is "seven billion, forty-eight million, two hundred fifty-six thousand, two hundred sixty-one".