Base | Representation |
---|---|
bin | 1001000101001011101… |
… | …11011111110100110110 |
3 | 1002211101020111100120220 |
4 | 10202211313133310312 |
5 | 20103004212343410 |
6 | 355201252435210 |
7 | 31354104634161 |
oct | 4424567376466 |
9 | 1084336440526 |
10 | 312020434230 |
11 | 11036644546a |
12 | 5057b018b06 |
13 | 2356729939b |
14 | 1115d75cad8 |
15 | 81b2b19070 |
hex | 48a5ddfd36 |
312020434230 has 64 divisors (see below), whose sum is σ = 800749603008. Its totient is φ = 77535641600.
The previous prime is 312020434199. The next prime is 312020434277. The reversal of 312020434230 is 32434020213.
It is a self number, because there is not a number n which added to its sum of digits gives 312020434230.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2977227 + ... + 3080246.
It is an arithmetic number, because the mean of its divisors is an integer number (12511712547).
Almost surely, 2312020434230 is an apocalyptic number.
312020434230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
312020434230 is an abundant number, since it is smaller than the sum of its proper divisors (488729168778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312020434230 is a wasteful number, since it uses less digits than its factorization.
312020434230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6057601.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 312020434230 its reverse (32434020213), we get a palindrome (344454454443).
The spelling of 312020434230 in words is "three hundred twelve billion, twenty million, four hundred thirty-four thousand, two hundred thirty".
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