Base | Representation |
---|---|
bin | 11100001100001111… |
… | …001011001000100100 |
3 | 2220010120111011012202 |
4 | 130030033023020210 |
5 | 443443114403203 |
6 | 21523400434032 |
7 | 2121056252525 |
oct | 341417131044 |
9 | 86116434182 |
10 | 30270075428 |
11 | 1192373976a |
12 | 5a49478918 |
13 | 2b15316348 |
14 | 167226c84c |
15 | bc26c6388 |
hex | 70c3cb224 |
30270075428 has 24 divisors (see below), whose sum is σ = 55281895872. Its totient is φ = 14475393504.
The previous prime is 30270075427. The next prime is 30270075431. The reversal of 30270075428 is 82457007203.
It is a junction number, because it is equal to n+sod(n) for n = 30270075391 and 30270075400.
It is not an unprimeable number, because it can be changed into a prime (30270075427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561451 + ... + 1580717.
It is an arithmetic number, because the mean of its divisors is an integer number (2303412328).
Almost surely, 230270075428 is an apocalyptic number.
It is an amenable number.
30270075428 is a deficient number, since it is larger than the sum of its proper divisors (25011820444).
30270075428 is a wasteful number, since it uses less digits than its factorization.
30270075428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36371 (or 36369 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 38.
The spelling of 30270075428 in words is "thirty billion, two hundred seventy million, seventy-five thousand, four hundred twenty-eight".
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