Base | Representation |
---|---|
bin | 11100000011010011… |
… | …000100100101000010 |
3 | 2212202010021201122010 |
4 | 130003103010211002 |
5 | 443141221232320 |
6 | 21500442153350 |
7 | 2114255434032 |
oct | 340323044502 |
9 | 85663251563 |
10 | 30120102210 |
11 | 11857015660 |
12 | 5a071b2856 |
13 | 2ac02266b3 |
14 | 165a38d8c2 |
15 | bb444eae0 |
hex | 7034c4942 |
30120102210 has 64 divisors (see below), whose sum is σ = 78880210560. Its totient is φ = 7299962880.
The previous prime is 30120102197. The next prime is 30120102211. The reversal of 30120102210 is 1220102103.
It is not an unprimeable number, because it can be changed into a prime (30120102211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1610674 + ... + 1629266.
It is an arithmetic number, because the mean of its divisors is an integer number (1232503290).
Almost surely, 230120102210 is an apocalyptic number.
30120102210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30120102210 is an abundant number, since it is smaller than the sum of its proper divisors (48760108350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30120102210 is a wasteful number, since it uses less digits than its factorization.
30120102210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23523.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 30120102210 its reverse (1220102103), we get a palindrome (31340204313).
The spelling of 30120102210 in words is "thirty billion, one hundred twenty million, one hundred two thousand, two hundred ten".
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