Base | Representation |
---|---|
bin | 1001000101100111001… |
… | …00011010011100011001 |
3 | 1002211222021001101020220 |
4 | 10202303210122130121 |
5 | 20103442034444343 |
6 | 355240143510253 |
7 | 31362565602141 |
oct | 4426344323431 |
9 | 1084867041226 |
10 | 312250312473 |
11 | 110474185390 |
12 | 50623bb8389 |
13 | 235a2ab5108 |
14 | 111820bb921 |
15 | 81c7dc6183 |
hex | 48b391a719 |
312250312473 has 32 divisors (see below), whose sum is σ = 457113646080. Its totient is φ = 188022680640.
The previous prime is 312250312417. The next prime is 312250312477. The reversal of 312250312473 is 374213052213.
It is not a de Polignac number, because 312250312473 - 222 = 312246118169 is a prime.
It is a super-3 number, since 3×3122503124733 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (312250312477) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8882790 + ... + 8917872.
It is an arithmetic number, because the mean of its divisors is an integer number (14284801440).
Almost surely, 2312250312473 is an apocalyptic number.
312250312473 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
312250312473 is a deficient number, since it is larger than the sum of its proper divisors (144863333607).
312250312473 is a wasteful number, since it uses less digits than its factorization.
312250312473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36829.
The product of its (nonzero) digits is 30240, while the sum is 33.
Adding to 312250312473 its reverse (374213052213), we get a palindrome (686463364686).
The spelling of 312250312473 in words is "three hundred twelve billion, two hundred fifty million, three hundred twelve thousand, four hundred seventy-three".
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