| Base | Representation |
|---|---|
| bin | 110001100011000… |
| … | …001010100001100 |
| 3 | 2010221011120212000 |
| 4 | 301203001110030 |
| 5 | 3200300422022 |
| 6 | 214252512300 |
| 7 | 26412425145 |
| oct | 6143012414 |
| 9 | 2127146760 |
| 10 | 831264012 |
| 11 | 397254a57 |
| 12 | 1b247b690 |
| 13 | 1032ab2c7 |
| 14 | 7c586acc |
| 15 | 4cea06ac |
| hex | 318c150c |
831264012 has 96 divisors (see below), whose sum is σ = 2220099840. Its totient is φ = 268813440.
The previous prime is 831264001. The next prime is 831264023. The reversal of 831264012 is 210462138.
831264012 is a `hidden beast` number, since 8 + 3 + 1 + 2 + 640 + 12 = 666.
It is an interprime number because it is at equal distance from previous prime (831264001) and next prime (831264023).
It is a super-2 number, since 2×8312640122 = 1381999715292672288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
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, 1004743 + ... + 1005569.
It is an arithmetic number, because the mean of its divisors is an integer number (23126040).
Almost surely, 2831264012 is an apocalyptic number.
831264012 is a gapful number since it is divisible by the number (82) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 831264012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110049920).
831264012 is an abundant number, since it is smaller than the sum of its proper divisors (1388835828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
831264012 is a wasteful number, since it uses less digits than its factorization.
831264012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1108 (or 1100 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 831264012 is about 28831.6494845508. The cubic root of 831264012 is about 940.2564608818.
The spelling of 831264012 in words is "eight hundred thirty-one million, two hundred sixty-four thousand, twelve".
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