Base | Representation |
---|---|
bin | 1001000101101110100… |
… | …00100111000101011000 |
3 | 1002212010120120010110020 |
4 | 10202313100213011120 |
5 | 20104103412331412 |
6 | 355250234550440 |
7 | 31364250104322 |
oct | 4426720470530 |
9 | 1085116503406 |
10 | 312312230232 |
11 | 1104a6126092 |
12 | 50640898420 |
13 | 235b2883c42 |
14 | 1118a3d8612 |
15 | 81cd55718c |
hex | 48b7427158 |
312312230232 has 96 divisors (see below), whose sum is σ = 807232022640. Its totient is φ = 100689388800.
The previous prime is 312312230207. The next prime is 312312230239. The reversal of 312312230232 is 232032213213.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312312230239) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 65983738 + ... + 65988470.
Almost surely, 2312312230232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 312312230232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403616011320).
312312230232 is an abundant number, since it is smaller than the sum of its proper divisors (494919792408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312312230232 is a wasteful number, since it uses less digits than its factorization.
312312230232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7665 (or 7630 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 312312230232 its reverse (232032213213), we get a palindrome (544344443445).
The spelling of 312312230232 in words is "three hundred twelve billion, three hundred twelve million, two hundred thirty thousand, two hundred thirty-two".
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