Base | Representation |
---|---|
bin | 1100010010110010010… |
… | …0101101111000100010 |
3 | 202012010222100121212020 |
4 | 3010230210231320202 |
5 | 11430020003021010 |
6 | 241005143042310 |
7 | 21154522515315 |
oct | 3045444557042 |
9 | 665128317766 |
10 | 211201220130 |
11 | 8162a64571a |
12 | 34b22a40396 |
13 | 16bbab3a294 |
14 | a3179b097c |
15 | 5761a0e470 |
hex | 312c92de22 |
211201220130 has 32 divisors (see below), whose sum is σ = 507992114304. Its totient is φ = 56197082496.
The previous prime is 211201220059. The next prime is 211201220147. The reversal of 211201220130 is 31022102112.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 7688742 + ... + 7716161.
It is an arithmetic number, because the mean of its divisors is an integer number (15874753572).
Almost surely, 2211201220130 is an apocalyptic number.
211201220130 is an abundant number, since it is smaller than the sum of its proper divisors (296790894174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211201220130 is a wasteful number, since it uses less digits than its factorization.
211201220130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15405370.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 211201220130 its reverse (31022102112), we get a palindrome (242223322242).
The spelling of 211201220130 in words is "two hundred eleven billion, two hundred one million, two hundred twenty thousand, one hundred thirty".
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