Base | Representation |
---|---|
bin | 11100000010000110… |
… | …110001110001001010 |
3 | 2212200201122121210200 |
4 | 130002012301301022 |
5 | 443121111232333 |
6 | 21454445353030 |
7 | 2113623435024 |
oct | 340206616112 |
9 | 85621577720 |
10 | 30100102218 |
11 | 118467a533a |
12 | 5a00568776 |
13 | 2ab9043294 |
14 | 1657865014 |
15 | bb27edc13 |
hex | 7021b1c4a |
30100102218 has 48 divisors (see below), whose sum is σ = 65861976960. Its totient is φ = 9934307712.
The previous prime is 30100102217. The next prime is 30100102261. The reversal of 30100102218 is 81220100103.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 30100102218.
It is not an unprimeable number, because it can be changed into a prime (30100102217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106205 + ... + 2120447.
It is an arithmetic number, because the mean of its divisors is an integer number (1372124520).
Almost surely, 230100102218 is an apocalyptic number.
30100102218 is an abundant number, since it is smaller than the sum of its proper divisors (35761874742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30100102218 is a wasteful number, since it uses less digits than its factorization.
30100102218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15403 (or 15400 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The spelling of 30100102218 in words is "thirty billion, one hundred million, one hundred two thousand, two hundred eighteen".
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