Base | Representation |
---|---|
bin | 11100011010001111… |
… | …100000000100111000 |
3 | 2220201221121201001222 |
4 | 130122033200010320 |
5 | 444433242322412 |
6 | 22002552531212 |
7 | 2126641403120 |
oct | 343217400470 |
9 | 86657551058 |
10 | 30505042232 |
11 | 11a34334805 |
12 | 5ab40b0b08 |
13 | 2b51bc4262 |
14 | 1695553c80 |
15 | bd813b072 |
hex | 71a3e0138 |
30505042232 has 64 divisors (see below), whose sum is σ = 70562188800. Its totient is φ = 12073944960.
The previous prime is 30505042229. The next prime is 30505042259. The reversal of 30505042232 is 23224050503.
It is a super-2 number, since 2×305050422322 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370994 + ... + 445697.
It is an arithmetic number, because the mean of its divisors is an integer number (1102534200).
Almost surely, 230505042232 is an apocalyptic number.
It is an amenable number.
30505042232 is an abundant number, since it is smaller than the sum of its proper divisors (40057146568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30505042232 is a wasteful number, since it uses less digits than its factorization.
30505042232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816756 (or 816752 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 26.
Adding to 30505042232 its reverse (23224050503), we get a palindrome (53729092735).
The spelling of 30505042232 in words is "thirty billion, five hundred five million, forty-two thousand, two hundred thirty-two".
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