Base | Representation |
---|---|
bin | 11100001111001011… |
… | …000111010000111000 |
3 | 2220021000012012010121 |
4 | 130033023013100320 |
5 | 444043222431043 |
6 | 21532320423024 |
7 | 2122225105660 |
oct | 341713072070 |
9 | 86230165117 |
10 | 30319342648 |
11 | 11949529981 |
12 | 5a61a77a74 |
13 | 2b225a604a |
14 | 1678a151a0 |
15 | bc6ba8ded |
hex | 70f2c7438 |
30319342648 has 32 divisors (see below), whose sum is σ = 68791788000. Its totient is φ = 12229650432.
The previous prime is 30319342643. The next prime is 30319342667. The reversal of 30319342648 is 84624391303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30319342643) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 15923073 + ... + 15924976.
It is an arithmetic number, because the mean of its divisors is an integer number (2149743375).
Almost surely, 230319342648 is an apocalyptic number.
It is an amenable number.
30319342648 is an abundant number, since it is smaller than the sum of its proper divisors (38472445352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30319342648 is a wasteful number, since it uses less digits than its factorization.
30319342648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31848079 (or 31848075 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 43.
The spelling of 30319342648 in words is "thirty billion, three hundred nineteen million, three hundred forty-two thousand, six hundred forty-eight".
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