Base | Representation |
---|---|
bin | 1001000101101110010… |
… | …00100110011010010000 |
3 | 1002212010102121102220201 |
4 | 10202313020212122100 |
5 | 20104102343132240 |
6 | 355250121544544 |
7 | 31364223210166 |
oct | 4426710463220 |
9 | 1085112542821 |
10 | 312310130320 |
11 | 1104a4a21421 |
12 | 50640045154 |
13 | 235b22ca1a6 |
14 | 1118a00d236 |
15 | 81cd28ed9a |
hex | 48b7226690 |
312310130320 has 80 divisors (see below), whose sum is σ = 764555172480. Its totient is φ = 118315468800.
The previous prime is 312310130287. The next prime is 312310130351. The reversal of 312310130320 is 23031013213.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (19).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5689405 + ... + 5744035.
It is an arithmetic number, because the mean of its divisors is an integer number (9556939656).
Almost surely, 2312310130320 is an apocalyptic number.
It is an amenable number.
312310130320 is an abundant number, since it is smaller than the sum of its proper divisors (452245042160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312310130320 is a wasteful number, since it uses less digits than its factorization.
312310130320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58424 (or 58418 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 312310130320 its reverse (23031013213), we get a palindrome (335341143533).
The spelling of 312310130320 in words is "three hundred twelve billion, three hundred ten million, one hundred thirty thousand, three hundred twenty".
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