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34303616681 is a prime number
BaseRepresentation
bin11111111100101001…
…111010011010101001
310021112200022021121112
4133330221322122221
51030223211213211
623431525320105
72323034634155
oct377451723251
9107480267545
1034303616681
1113603551a34
126794266035
133308b7c849
141935c34065
15d5b87488b
hex7fca7a6a9

34303616681 has 2 divisors, whose sum is σ = 34303616682. Its totient is φ = 34303616680.

The previous prime is 34303616663. The next prime is 34303616713. The reversal of 34303616681 is 18661630343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24307616281 + 9996000400 = 155909^2 + 99980^2 .

It is a cyclic number.

It is not a de Polignac number, because 34303616681 - 218 = 34303354537 is a prime.

It is a super-2 number, since 2×343036166812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34303616621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17151808340 + 17151808341.

It is an arithmetic number, because the mean of its divisors is an integer number (17151808341).

Almost surely, 234303616681 is an apocalyptic number.

It is an amenable number.

34303616681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34303616681 is an equidigital number, since it uses as much as digits as its factorization.

34303616681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 34303616681 in words is "thirty-four billion, three hundred three million, six hundred sixteen thousand, six hundred eighty-one".