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768306131 is a prime number
BaseRepresentation
bin101101110010110…
…110101111010011
31222112200222212122
4231302312233103
53033141244011
6204123244455
725016331365
oct5562665723
91875628778
10768306131
1136476384a
1219537972b
13c3236c18
1474078d35
15476b63db
hex2dcb6bd3

768306131 has 2 divisors, whose sum is σ = 768306132. Its totient is φ = 768306130.

The previous prime is 768306101. The next prime is 768306151. The reversal of 768306131 is 131603867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768306131 - 26 = 768306067 is a prime.

It is a super-2 number, since 2×7683061312 = 1180588621864378322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 768306091 and 768306100.

It is not a weakly prime, because it can be changed into another prime (768306101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384153065 + 384153066.

It is an arithmetic number, because the mean of its divisors is an integer number (384153066).

Almost surely, 2768306131 is an apocalyptic number.

768306131 is a deficient number, since it is larger than the sum of its proper divisors (1).

768306131 is an equidigital number, since it uses as much as digits as its factorization.

768306131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 768306131 is about 27718.3356462829. The cubic root of 768306131 is about 915.8930558358.

Adding to 768306131 its reverse (131603867), we get a palindrome (899909998).

The spelling of 768306131 in words is "seven hundred sixty-eight million, three hundred six thousand, one hundred thirty-one".