Base | Representation |
---|---|
bin | 1100010110111010111… |
… | …0001111011100001010 |
3 | 202022000022121221122200 |
4 | 3011232232033130022 |
5 | 11434303104410010 |
6 | 241311225501030 |
7 | 21224156556366 |
oct | 3055656173412 |
9 | 668008557580 |
10 | 212311013130 |
11 | 8204a039617 |
12 | 35192641776 |
13 | 17036a39528 |
14 | a3c113c2a6 |
15 | 57c917bcc0 |
hex | 316eb8f70a |
212311013130 has 48 divisors (see below), whose sum is σ = 566927795304. Its totient is φ = 55086099840.
The previous prime is 212311013119. The next prime is 212311013143. The reversal of 212311013130 is 31310113212.
212311013130 is a `hidden beast` number, since 21 + 231 + 101 + 313 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 191268899649 + 21042113481 = 437343^2 + 145059^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31875201 + ... + 31881860.
Almost surely, 2212311013130 is an apocalyptic number.
212311013130 is an abundant number, since it is smaller than the sum of its proper divisors (354616782174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212311013130 is a wasteful number, since it uses less digits than its factorization.
212311013130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63757111 (or 63757108 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 212311013130 its reverse (31310113212), we get a palindrome (243621126342).
The spelling of 212311013130 in words is "two hundred twelve billion, three hundred eleven million, thirteen thousand, one hundred thirty".
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