Base | Representation |
---|---|
bin | 11100001111001010… |
… | …111001011011000100 |
3 | 2220021000002022100220 |
4 | 130033022321123010 |
5 | 444043214122311 |
6 | 21532315304340 |
7 | 2122224451461 |
oct | 341712713304 |
9 | 86230068326 |
10 | 30319285956 |
11 | 119494a0323 |
12 | 5a61a4b0b0 |
13 | 2b225862bb |
14 | 16789dc668 |
15 | bc6b97206 |
hex | 70f2b96c4 |
30319285956 has 24 divisors (see below), whose sum is σ = 70776603744. Its totient is φ = 10101913920.
The previous prime is 30319285937. The next prime is 30319285963. The reversal of 30319285956 is 65958291303.
It is a junction number, because it is equal to n+sod(n) for n = 30319285899 and 30319285908.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536305 + ... + 590136.
It is an arithmetic number, because the mean of its divisors is an integer number (2949025156).
Almost surely, 230319285956 is an apocalyptic number.
It is an amenable number.
30319285956 is an abundant number, since it is smaller than the sum of its proper divisors (40457317788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30319285956 is a wasteful number, since it uses less digits than its factorization.
30319285956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1128691 (or 1128689 counting only the distinct ones).
The product of its (nonzero) digits is 1749600, while the sum is 51.
The spelling of 30319285956 in words is "thirty billion, three hundred nineteen million, two hundred eighty-five thousand, nine hundred fifty-six".
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