Base | Representation |
---|---|
bin | 11100000110111001… |
… | …001111000011011110 |
3 | 2212220022211010002211 |
4 | 130012321033003132 |
5 | 443302143010423 |
6 | 21510435311034 |
7 | 2115620330566 |
oct | 340671170336 |
9 | 85808733084 |
10 | 30180438238 |
11 | 11888085a45 |
12 | 5a2344b47a |
13 | 2acc8905a2 |
14 | 16643b7da6 |
15 | bb98bc10d |
hex | 706e4f0de |
30180438238 has 8 divisors (see below), whose sum is σ = 45273026232. Its totient is φ = 15089429496.
The previous prime is 30180438221. The next prime is 30180438311. The reversal of 30180438238 is 83283408103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30180438238.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345820 + ... + 424207.
It is an arithmetic number, because the mean of its divisors is an integer number (5659128279).
Almost surely, 230180438238 is an apocalyptic number.
30180438238 is a deficient number, since it is larger than the sum of its proper divisors (15092587994).
30180438238 is a wasteful number, since it uses less digits than its factorization.
30180438238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 789626.
The product of its (nonzero) digits is 110592, while the sum is 40.
The spelling of 30180438238 in words is "thirty billion, one hundred eighty million, four hundred thirty-eight thousand, two hundred thirty-eight".
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