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1308115069 is a prime number
BaseRepresentation
bin100110111111000…
…0100000001111101
310101011110010112021
41031332010001331
510134334140234
6333445240141
744262536362
oct11576040175
93334403467
101308115069
11611440238
12306103051
1317b0198b1
14c5a34469
1579c949b4
hex4df8407d

1308115069 has 2 divisors, whose sum is σ = 1308115070. Its totient is φ = 1308115068.

The previous prime is 1308115037. The next prime is 1308115111. The reversal of 1308115069 is 9605118031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900600100 + 407514969 = 30010^2 + 20187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308115069 - 25 = 1308115037 is a prime.

It is a super-2 number, since 2×13081150692 = 3422330067489749522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308115009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654057534 + 654057535.

It is an arithmetic number, because the mean of its divisors is an integer number (654057535).

Almost surely, 21308115069 is an apocalyptic number.

It is an amenable number.

1308115069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308115069 is an equidigital number, since it uses as much as digits as its factorization.

1308115069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1308115069 is about 36167.8734376242. The cubic root of 1308115069 is about 1093.6591300441.

The spelling of 1308115069 in words is "one billion, three hundred eight million, one hundred fifteen thousand, sixty-nine".