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307943509469 is a prime number
BaseRepresentation
bin1000111101100101101…
…11010000110111011101
31002102212010001010012112
410132302313100313131
520021132014300334
6353244534043405
731151061433151
oct4366267206735
91072763033175
10307943509469
111096640a0562
124b8217a9565
132306775327b
1410c94103061
158024c4b4ce
hex47b2dd0ddd

307943509469 has 2 divisors, whose sum is σ = 307943509470. Its totient is φ = 307943509468.

The previous prime is 307943509463. The next prime is 307943509477. The reversal of 307943509469 is 964905349703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278646736900 + 29296772569 = 527870^2 + 171163^2 .

It is a cyclic number.

It is not a de Polignac number, because 307943509469 - 216 = 307943443933 is a prime.

It is a super-2 number, since 2×3079435094692 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307943509463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153971754734 + 153971754735.

It is an arithmetic number, because the mean of its divisors is an integer number (153971754735).

Almost surely, 2307943509469 is an apocalyptic number.

It is an amenable number.

307943509469 is a deficient number, since it is larger than the sum of its proper divisors (1).

307943509469 is an equidigital number, since it uses as much as digits as its factorization.

307943509469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 59.

The spelling of 307943509469 in words is "three hundred seven billion, nine hundred forty-three million, five hundred nine thousand, four hundred sixty-nine".