Base | Representation |
---|---|
bin | 11100010110101111… |
… | …100011111110010011 |
3 | 2220120212011012220220 |
4 | 130112233203332103 |
5 | 444323230303224 |
6 | 21553054404123 |
7 | 2125326413433 |
oct | 342657437623 |
9 | 86525135826 |
10 | 30446337939 |
11 | 11a04189366 |
12 | 5a98500643 |
13 | 2b429abca4 |
14 | 168b8322c3 |
15 | bd2de2279 |
hex | 716be3f93 |
30446337939 has 16 divisors (see below), whose sum is σ = 40811563392. Its totient is φ = 20189593728.
The previous prime is 30446337877. The next prime is 30446338033. The reversal of 30446337939 is 93973364403.
It is not a de Polignac number, because 30446337939 - 215 = 30446305171 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30446337891 and 30446337900.
It is not an unprimeable number, because it can be changed into a prime (30446338939) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446139 + ... + 509835.
It is an arithmetic number, because the mean of its divisors is an integer number (2550722712).
Almost surely, 230446337939 is an apocalyptic number.
30446337939 is a deficient number, since it is larger than the sum of its proper divisors (10365225453).
30446337939 is a wasteful number, since it uses less digits than its factorization.
30446337939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64546.
The product of its (nonzero) digits is 4408992, while the sum is 51.
The spelling of 30446337939 in words is "thirty billion, four hundred forty-six million, three hundred thirty-seven thousand, nine hundred thirty-nine".
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