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20343314065 = 515289266117
BaseRepresentation
bin10010111100100011…
…100101011010010001
31221111202112102121111
4102330203211122101
5313130342022230
613202351453321
71320061213354
oct227443453221
957452472544
1020343314065
11869a2a7a58
123b38b27241
131bc285c859
14dadb3229b
157e0e8392a
hex4bc8e5691

20343314065 has 8 divisors (see below), whose sum is σ = 24413665320. Its totient is φ = 16273525632.

The previous prime is 20343314053. The next prime is 20343314077. The reversal of 20343314065 is 56041334302.

It is an interprime number because it is at equal distance from previous prime (20343314053) and next prime (20343314077).

It can be written as a sum of positive squares in 4 ways, for example, as 1374036624 + 18969277441 = 37068^2 + 137729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20343314065 - 221 = 20341216913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56614 + ... + 209503.

It is an arithmetic number, because the mean of its divisors is an integer number (3051708165).

Almost surely, 220343314065 is an apocalyptic number.

It is an amenable number.

20343314065 is a deficient number, since it is larger than the sum of its proper divisors (4070351255).

20343314065 is a wasteful number, since it uses less digits than its factorization.

20343314065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281411.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 20343314065 its reverse (56041334302), we get a palindrome (76384648367).

The spelling of 20343314065 in words is "twenty billion, three hundred forty-three million, three hundred fourteen thousand, sixty-five".

Divisors: 1 5 15289 76445 266117 1330585 4068662813 20343314065