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8048473649 is a prime number
BaseRepresentation
bin1110111111011100…
…11111011000110001
3202202220121211020122
413133232133120301
5112440402124044
63410350420025
7403306616516
oct73756373061
922686554218
108048473649
113460176417
121687501615
139b35b5858
14564cc530d
153218c2dee
hex1dfb9f631

8048473649 has 2 divisors, whose sum is σ = 8048473650. Its totient is φ = 8048473648.

The previous prime is 8048473639. The next prime is 8048473669. The reversal of 8048473649 is 9463748408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7967347600 + 81126049 = 89260^2 + 9007^2 .

It is a cyclic number.

It is not a de Polignac number, because 8048473649 - 212 = 8048469553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8048473649.

It is not a weakly prime, because it can be changed into another prime (8048473639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4024236824 + 4024236825.

It is an arithmetic number, because the mean of its divisors is an integer number (4024236825).

Almost surely, 28048473649 is an apocalyptic number.

It is an amenable number.

8048473649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8048473649 is an equidigital number, since it uses as much as digits as its factorization.

8048473649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 8048473649 is about 89713.2857998190. The cubic root of 8048473649 is about 2004.0313394415.

The spelling of 8048473649 in words is "eight billion, forty-eight million, four hundred seventy-three thousand, six hundred forty-nine".