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799499131 is a prime number
BaseRepresentation
bin101111101001110…
…110001101111011
32001201101202121221
4233221312031323
53114132433011
6211200012511
725545426154
oct5751661573
92051352557
10799499131
11380329592
121a3901137
13c9838c12
147827892b
154a2c8971
hex2fa7637b

799499131 has 2 divisors, whose sum is σ = 799499132. Its totient is φ = 799499130.

The previous prime is 799499111. The next prime is 799499149. The reversal of 799499131 is 131994997.

It is a strong prime.

It is an emirp because it is prime and its reverse (131994997) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-799499131 is a prime.

It is a super-2 number, since 2×7994991312 = 1278397720939510322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (799499101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399749565 + 399749566.

It is an arithmetic number, because the mean of its divisors is an integer number (399749566).

Almost surely, 2799499131 is an apocalyptic number.

799499131 is a deficient number, since it is larger than the sum of its proper divisors (1).

799499131 is an equidigital number, since it uses as much as digits as its factorization.

799499131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 52.

The square root of 799499131 is about 28275.4156644955. The cubic root of 799499131 is about 928.1239906136.

The spelling of 799499131 in words is "seven hundred ninety-nine million, four hundred ninety-nine thousand, one hundred thirty-one".