Base | Representation |
---|---|
bin | 11100011010101110… |
… | …001111111000000100 |
3 | 2220202111210012110111 |
4 | 130122232033320010 |
5 | 444442323233330 |
6 | 22003441402404 |
7 | 2130100043020 |
oct | 343256177004 |
9 | 86674705414 |
10 | 30513102340 |
11 | 11a3893a456 |
12 | 5ab6939404 |
13 | 2b53786b56 |
14 | 1696651380 |
15 | bd8bce32a |
hex | 71ab8fe04 |
30513102340 has 48 divisors (see below), whose sum is σ = 73243723392. Its totient is φ = 10459881216.
The previous prime is 30513102299. The next prime is 30513102343. The reversal of 30513102340 is 4320131503.
It is a super-2 number, since 2×305131023402 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30513102343) 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, 1036464 + ... + 1065496.
It is an arithmetic number, because the mean of its divisors is an integer number (1525910904).
Almost surely, 230513102340 is an apocalyptic number.
It is an amenable number.
30513102340 is an abundant number, since it is smaller than the sum of its proper divisors (42730621052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30513102340 is a wasteful number, since it uses less digits than its factorization.
30513102340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36556 (or 36554 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 30513102340 its reverse (4320131503), we get a palindrome (34833233843).
The spelling of 30513102340 in words is "thirty billion, five hundred thirteen million, one hundred two thousand, three hundred forty".
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