Base | Representation |
---|---|
bin | 11100001010000011… |
… | …011010111101111000 |
3 | 2220001000112220000111 |
4 | 130022003122331320 |
5 | 443404230040440 |
6 | 21520011314104 |
7 | 2120133000202 |
oct | 341203327570 |
9 | 86030486014 |
10 | 30233440120 |
11 | 11904a97054 |
12 | 5a3914b934 |
13 | 2b0a85a150 |
14 | 166b453772 |
15 | bbe38b4ea |
hex | 70a0daf78 |
30233440120 has 64 divisors (see below), whose sum is σ = 73280168640. Its totient is φ = 11159731200.
The previous prime is 30233440109. The next prime is 30233440123. The reversal of 30233440120 is 2104433203.
It is a happy number.
It is a super-2 number, since 2×302334401202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30233440091 and 30233440100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30233440123) 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, 2276700 + ... + 2289940.
It is an arithmetic number, because the mean of its divisors is an integer number (1145002635).
Almost surely, 230233440120 is an apocalyptic number.
It is an amenable number.
30233440120 is an abundant number, since it is smaller than the sum of its proper divisors (43046728520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30233440120 is a wasteful number, since it uses less digits than its factorization.
30233440120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17656 (or 17652 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30233440120 its reverse (2104433203), we get a palindrome (32337873323).
The spelling of 30233440120 in words is "thirty billion, two hundred thirty-three million, four hundred forty thousand, one hundred twenty".
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