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5047979381 is a prime number
BaseRepresentation
bin1001011001110001…
…00000110101110101
3111000210122220220022
410230320200311311
540314240320011
62152523414525
7236044055024
oct45470406565
914023586808
105047979381
1121604a8695
12b8a684445
13625a8a363
1435c5d08bb
151e82828db
hex12ce20d75

5047979381 has 2 divisors, whose sum is σ = 5047979382. Its totient is φ = 5047979380.

The previous prime is 5047979369. The next prime is 5047979393. The reversal of 5047979381 is 1839797405.

It is a balanced prime because it is at equal distance from previous prime (5047979369) and next prime (5047979393).

It can be written as a sum of positive squares in only one way, i.e., 2891212900 + 2156766481 = 53770^2 + 46441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5047979381 is a prime.

It is a super-2 number, since 2×50479793812 = 50964191662002286322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5047979311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2523989690 + 2523989691.

It is an arithmetic number, because the mean of its divisors is an integer number (2523989691).

Almost surely, 25047979381 is an apocalyptic number.

It is an amenable number.

5047979381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5047979381 is an equidigital number, since it uses as much as digits as its factorization.

5047979381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 5047979381 is about 71049.1335696643. The cubic root of 5047979381 is about 1715.4281167343.

The spelling of 5047979381 in words is "five billion, forty-seven million, nine hundred seventy-nine thousand, three hundred eighty-one".