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4961274887 is a prime number
BaseRepresentation
bin1001001111011011…
…10000110000000111
3110210202111212200202
410213231300300013
540130041244022
62140145201115
7233642066162
oct44755606007
913722455622
104961274887
112116568288
12b6563019b
13610b2041a
14350ca0ad9
151e0857592
hex127b70c07

4961274887 has 2 divisors, whose sum is σ = 4961274888. Its totient is φ = 4961274886.

The previous prime is 4961274841. The next prime is 4961274919. The reversal of 4961274887 is 7884721694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4961274887 - 224 = 4944497671 is a prime.

It is a super-2 number, since 2×49612748872 = 49228497008753725538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4961274817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480637443 + 2480637444.

It is an arithmetic number, because the mean of its divisors is an integer number (2480637444).

Almost surely, 24961274887 is an apocalyptic number.

4961274887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4961274887 is an equidigital number, since it uses as much as digits as its factorization.

4961274887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 56.

The square root of 4961274887 is about 70436.3179545893. The cubic root of 4961274887 is about 1705.5498995378.

The spelling of 4961274887 in words is "four billion, nine hundred sixty-one million, two hundred seventy-four thousand, eight hundred eighty-seven".