Base | Representation |
---|---|
bin | 11011111100011111… |
… | …100110011001111000 |
3 | 2212110011110222201110 |
4 | 123330133212121320 |
5 | 442423010232401 |
6 | 21441243320320 |
7 | 2111401222026 |
oct | 337437463170 |
9 | 85404428643 |
10 | 30005945976 |
11 | 117a8635366 |
12 | 5994b200a0 |
13 | 2aa2697626 |
14 | 1649155716 |
15 | ba94009d6 |
hex | 6fc7e6678 |
30005945976 has 16 divisors (see below), whose sum is σ = 75014865000. Its totient is φ = 10001981984.
The previous prime is 30005945929. The next prime is 30005945989. The reversal of 30005945976 is 67954950003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625123851 + ... + 625123898.
Almost surely, 230005945976 is an apocalyptic number.
It is an amenable number.
30005945976 is an abundant number, since it is smaller than the sum of its proper divisors (45008919024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30005945976 is a wasteful number, since it uses less digits than its factorization.
30005945976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1250247758 (or 1250247754 counting only the distinct ones).
The product of its (nonzero) digits is 1020600, while the sum is 48.
The spelling of 30005945976 in words is "thirty billion, five million, nine hundred forty-five thousand, nine hundred seventy-six".
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