Base | Representation |
---|---|
bin | 1101101110110100010110… |
… | …11001101101011010010101 |
3 | 10221220201001021212102212122 |
4 | 12313122023121231122111 |
5 | 12424212310432113014 |
6 | 144115455413425325 |
7 | 6234405003266165 |
oct | 667321331553225 |
9 | 127821037772778 |
10 | 30195958863509 |
11 | 969204163162a |
12 | 347821963b245 |
13 | 13b060b465aaa |
14 | 7656c688a5a5 |
15 | 3756ed59e58e |
hex | 1b768b66d695 |
30195958863509 has 8 divisors (see below), whose sum is σ = 30995962001088. Its totient is φ = 29398980313440.
The previous prime is 30195958863503. The next prime is 30195958863517. The reversal of 30195958863509 is 90536885959103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30195958863509 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30195958863503) 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, 756126647 + ... + 756166580.
It is an arithmetic number, because the mean of its divisors is an integer number (3874495250136).
Almost surely, 230195958863509 is an apocalyptic number.
It is an amenable number.
30195958863509 is a deficient number, since it is larger than the sum of its proper divisors (800003137579).
30195958863509 is a wasteful number, since it uses less digits than its factorization.
30195958863509 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1512293755.
The product of its (nonzero) digits is 314928000, while the sum is 71.
The spelling of 30195958863509 in words is "thirty trillion, one hundred ninety-five billion, nine hundred fifty-eight million, eight hundred sixty-three thousand, five hundred nine".
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