Base | Representation |
---|---|
bin | 11100100000101000… |
… | …001110111011011111 |
3 | 2221000102020022122220 |
4 | 130200220032323133 |
5 | 1000143210021040 |
6 | 22021341240423 |
7 | 2132412212061 |
oct | 344050167337 |
9 | 87012208586 |
10 | 30612188895 |
11 | 11a89867672 |
12 | 5b23b63113 |
13 | 2b6b16a952 |
14 | 16a5885731 |
15 | be27532d0 |
hex | 720a0eedf |
30612188895 has 8 divisors (see below), whose sum is σ = 48979502256. Its totient is φ = 16326500736.
The previous prime is 30612188843. The next prime is 30612188917. The reversal of 30612188895 is 59888121603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30612188895 - 28 = 30612188639 is a prime.
It is a super-2 number, since 2×306121888952 (a number of 22 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 1020406282 + ... + 1020406311.
It is an arithmetic number, because the mean of its divisors is an integer number (6122437782).
Almost surely, 230612188895 is an apocalyptic number.
30612188895 is a deficient number, since it is larger than the sum of its proper divisors (18367313361).
30612188895 is a wasteful number, since it uses less digits than its factorization.
30612188895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2040812601.
The product of its (nonzero) digits is 829440, while the sum is 51.
The spelling of 30612188895 in words is "thirty billion, six hundred twelve million, one hundred eighty-eight thousand, eight hundred ninety-five".
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