Base | Representation |
---|---|
bin | 11100000010110001… |
… | …001001111011001010 |
3 | 2212201111120000110211 |
4 | 130002301021323022 |
5 | 443131432224320 |
6 | 21455523431334 |
7 | 2114120033533 |
oct | 340261117312 |
9 | 85644500424 |
10 | 30111211210 |
11 | 11851aa2723 |
12 | 5a0422554a |
13 | 2abb432852 |
14 | 165911768a |
15 | bb379555a |
hex | 702c49eca |
30111211210 has 32 divisors (see below), whose sum is σ = 57137837760. Its totient is φ = 11393561088.
The previous prime is 30111211159. The next prime is 30111211211. The reversal of 30111211210 is 1211211103.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30111211211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10129 + ... + 245611.
It is an arithmetic number, because the mean of its divisors is an integer number (1785557430).
Almost surely, 230111211210 is an apocalyptic number.
30111211210 is a deficient number, since it is larger than the sum of its proper divisors (27026626550).
30111211210 is a wasteful number, since it uses less digits than its factorization.
30111211210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236182.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 30111211210 its reverse (1211211103), we get a palindrome (31322422313).
The spelling of 30111211210 in words is "thirty billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".
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