Base | Representation |
---|---|
bin | 11100001110110000… |
… | …010000011011101001 |
3 | 2220020111221111121110 |
4 | 130032300100123221 |
5 | 444034422133223 |
6 | 21531505500533 |
7 | 2122111214136 |
oct | 341660203351 |
9 | 86214844543 |
10 | 30312302313 |
11 | 11945560417 |
12 | 5a5b641749 |
13 | 2b20cac677 |
14 | 1677b0158d |
15 | bc6267d93 |
hex | 70ec106e9 |
30312302313 has 8 divisors (see below), whose sum is σ = 40417470688. Its totient is φ = 20207667744.
The previous prime is 30312302269. The next prime is 30312302323. The reversal of 30312302313 is 31320321303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30312302313 - 28 = 30312302057 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30312302313.
It is not an unprimeable number, because it can be changed into a prime (30312302323) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26406 + ... + 247632.
It is an arithmetic number, because the mean of its divisors is an integer number (5052183836).
Almost surely, 230312302313 is an apocalyptic number.
It is an amenable number.
30312302313 is a deficient number, since it is larger than the sum of its proper divisors (10105168375).
30312302313 is a wasteful number, since it uses less digits than its factorization.
30312302313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266903.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30312302313 its reverse (31320321303), we get a palindrome (61632623616).
The spelling of 30312302313 in words is "thirty billion, three hundred twelve million, three hundred two thousand, three hundred thirteen".
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