Base | Representation |
---|---|
bin | 11100010010101101… |
… | …010110001110111111 |
3 | 2220102010210020111001 |
4 | 130102231112032333 |
5 | 444203413223021 |
6 | 21542235511131 |
7 | 2123545152241 |
oct | 342255261677 |
9 | 86363706431 |
10 | 30378648511 |
11 | 11979a56292 |
12 | 5a798b84a7 |
13 | 2b3196c083 |
14 | 1682852091 |
15 | bcbec1091 |
hex | 712b563bf |
30378648511 has 8 divisors (see below), whose sum is σ = 30428103600. Its totient is φ = 30329234880.
The previous prime is 30378648499. The next prime is 30378648529. The reversal of 30378648511 is 11584687303.
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-30378648511 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30378648581) 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, 1670355 + ... + 1688443.
It is an arithmetic number, because the mean of its divisors is an integer number (3803512950).
Almost surely, 230378648511 is an apocalyptic number.
30378648511 is a deficient number, since it is larger than the sum of its proper divisors (49455089).
30378648511 is a wasteful number, since it uses less digits than its factorization.
30378648511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20729.
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 30378648511 in words is "thirty billion, three hundred seventy-eight million, six hundred forty-eight thousand, five hundred eleven".
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