Base | Representation |
---|---|
bin | 11100000010101101… |
… | …010111111011110100 |
3 | 2212201102200122211002 |
4 | 130002231113323310 |
5 | 443131204020040 |
6 | 21455450302432 |
7 | 2114105435006 |
oct | 340255277364 |
9 | 85642618732 |
10 | 30110220020 |
11 | 11851485a61 |
12 | 5a03a27a18 |
13 | 2abb17664a |
14 | 1658d3a376 |
15 | bb364ba15 |
hex | 702b57ef4 |
30110220020 has 24 divisors (see below), whose sum is σ = 65271187968. Its totient is φ = 11655568800.
The previous prime is 30110220001. The next prime is 30110220029. The reversal of 30110220020 is 2002201103.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30110219983 and 30110220010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30110220029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24281816 + ... + 24283055.
It is an arithmetic number, because the mean of its divisors is an integer number (2719632832).
Almost surely, 230110220020 is an apocalyptic number.
It is an amenable number.
30110220020 is an abundant number, since it is smaller than the sum of its proper divisors (35160967948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30110220020 is a wasteful number, since it uses less digits than its factorization.
30110220020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48564911 (or 48564909 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 30110220020 its reverse (2002201103), we get a palindrome (32112421123).
The spelling of 30110220020 in words is "thirty billion, one hundred ten million, two hundred twenty thousand, twenty".
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