Base | Representation |
---|---|
bin | 11100010001010011… |
… | …111111101011110011 |
3 | 2220100111201012220212 |
4 | 130101103333223303 |
5 | 444131414202311 |
6 | 21540041454335 |
7 | 2123142105134 |
oct | 342123775363 |
9 | 86314635825 |
10 | 30355225331 |
11 | 11967808092 |
12 | 5a71aa13ab |
13 | 2b29b5a7c2 |
14 | 167d6b5c8b |
15 | bc9de5c8b |
hex | 7114ffaf3 |
30355225331 has 4 divisors (see below), whose sum is σ = 30357016872. Its totient is φ = 30353433792.
The previous prime is 30355225319. The next prime is 30355225399. The reversal of 30355225331 is 13352255303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30355225331 - 230 = 29281483507 is a prime.
It is a super-2 number, since 2×303552253312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30355225231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870110 + ... + 904323.
It is an arithmetic number, because the mean of its divisors is an integer number (7589254218).
Almost surely, 230355225331 is an apocalyptic number.
30355225331 is a deficient number, since it is larger than the sum of its proper divisors (1791541).
30355225331 is a wasteful number, since it uses less digits than its factorization.
30355225331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1791540.
The product of its (nonzero) digits is 40500, while the sum is 32.
The spelling of 30355225331 in words is "thirty billion, three hundred fifty-five million, two hundred twenty-five thousand, three hundred thirty-one".
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