Base | Representation |
---|---|
bin | 1001000000001001100… |
… | …10001010000000011001 |
3 | 1002120101220012111210222 |
4 | 10200010302022000121 |
5 | 20031440340333421 |
6 | 354033152045425 |
7 | 31230120534416 |
oct | 4400462120031 |
9 | 1076356174728 |
10 | 309317902361 |
11 | 10a1a998a256 |
12 | 4bb45b33875 |
13 | 232264073c0 |
14 | 10d8486b10d |
15 | 80a5733cab |
hex | 4804c8a019 |
309317902361 has 32 divisors (see below), whose sum is σ = 343522529280. Its totient is φ = 276737370624.
The previous prime is 309317902357. The next prime is 309317902379. The reversal of 309317902361 is 163209713903.
It is a happy number.
It is not a de Polignac number, because 309317902361 - 22 = 309317902357 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (309317902301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111786800 + ... + 111789566.
It is an arithmetic number, because the mean of its divisors is an integer number (10735079040).
Almost surely, 2309317902361 is an apocalyptic number.
It is an amenable number.
309317902361 is a deficient number, since it is larger than the sum of its proper divisors (34204626919).
309317902361 is a wasteful number, since it uses less digits than its factorization.
309317902361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4745.
The product of its (nonzero) digits is 183708, while the sum is 44.
The spelling of 309317902361 in words is "three hundred nine billion, three hundred seventeen million, nine hundred two thousand, three hundred sixty-one".
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