Base | Representation |
---|---|
bin | 11100011010101110… |
… | …011010001001010010 |
3 | 2220202111212100011100 |
4 | 130122232122021102 |
5 | 444442331110102 |
6 | 22003442325230 |
7 | 2130100306446 |
oct | 343256321122 |
9 | 86674770140 |
10 | 30513144402 |
11 | 11a38969014 |
12 | 5ab6959816 |
13 | 2b537a0040 |
14 | 1696662826 |
15 | bd8bdba1c |
hex | 71ab9a252 |
30513144402 has 48 divisors (see below), whose sum is σ = 72364540248. Its totient is φ = 9234743040.
The previous prime is 30513144379. The next prime is 30513144437. The reversal of 30513144402 is 20444131503.
It is a happy number.
30513144402 is a `hidden beast` number, since 3 + 0 + 513 + 144 + 4 + 0 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8742437001 + 21770707401 = 93501^2 + 147549^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054563 + ... + 1083110.
Almost surely, 230513144402 is an apocalyptic number.
30513144402 is an abundant number, since it is smaller than the sum of its proper divisors (41851395846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30513144402 is a wasteful number, since it uses less digits than its factorization.
30513144402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2137755 (or 2137752 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 30513144402 its reverse (20444131503), we get a palindrome (50957275905).
The spelling of 30513144402 in words is "thirty billion, five hundred thirteen million, one hundred forty-four thousand, four hundred two".
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