Base | Representation |
---|---|
bin | 11100000010110001… |
… | …001100000110001110 |
3 | 2212201111120110200110 |
4 | 130002301030012032 |
5 | 443131433020420 |
6 | 21455523540450 |
7 | 2114120101506 |
oct | 340261140616 |
9 | 85644513613 |
10 | 30111220110 |
11 | 11851aa9384 |
12 | 5a0422a726 |
13 | 2abb43690a |
14 | 165911aa06 |
15 | bb3797ee0 |
hex | 702c4c18e |
30111220110 has 32 divisors (see below), whose sum is σ = 72373722912. Its totient is φ = 8017792640.
The previous prime is 30111220103. The next prime is 30111220147. The reversal of 30111220110 is 1102211103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720981 + ... + 761600.
It is an arithmetic number, because the mean of its divisors is an integer number (2261678841).
Almost surely, 230111220110 is an apocalyptic number.
30111220110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30111220110 is an abundant number, since it is smaller than the sum of its proper divisors (42262502802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111220110 is a wasteful number, since it uses less digits than its factorization.
30111220110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1483268.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 30111220110 its reverse (1102211103), we get a palindrome (31213431213).
The spelling of 30111220110 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, one hundred ten".
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