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11767616831 is a prime number
BaseRepresentation
bin10101111010110011…
…11001010100111111
31010101002211212120102
422331121321110333
5143100002214311
65223404511315
7564420043535
oct127531712477
933332755512
1011767616831
114a99570773
122344b4b53b
131156c7c8a9
147d8c0a155
1548d16b43b
hex2bd67953f

11767616831 has 2 divisors, whose sum is σ = 11767616832. Its totient is φ = 11767616830.

The previous prime is 11767616759. The next prime is 11767616851. The reversal of 11767616831 is 13861676711.

It is a strong prime.

It is an emirp because it is prime and its reverse (13861676711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11767616831 is a prime.

It is a super-2 number, since 2×117676168312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11767616851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883808415 + 5883808416.

It is an arithmetic number, because the mean of its divisors is an integer number (5883808416).

Almost surely, 211767616831 is an apocalyptic number.

11767616831 is a deficient number, since it is larger than the sum of its proper divisors (1).

11767616831 is an equidigital number, since it uses as much as digits as its factorization.

11767616831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The spelling of 11767616831 in words is "eleven billion, seven hundred sixty-seven million, six hundred sixteen thousand, eight hundred thirty-one".