Base | Representation |
---|---|
bin | 11100000100100111… |
… | …001010001100011000 |
3 | 2212210122202122002000 |
4 | 130010213022030120 |
5 | 443212342122204 |
6 | 21502550441000 |
7 | 2114644002435 |
oct | 340447121430 |
9 | 85718678060 |
10 | 30142145304 |
11 | 11868500997 |
12 | 5a12663160 |
13 | 2ac4973a4b |
14 | 165d28ab8c |
15 | bb6356039 |
hex | 7049ca318 |
30142145304 has 48 divisors (see below), whose sum is σ = 83735269800. Its totient is φ = 10046531232.
The previous prime is 30142145249. The next prime is 30142145317. The reversal of 30142145304 is 40354124103.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
30142145304 is a `hidden beast` number, since 301 + 42 + 14 + 5 + 304 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2545702 + ... + 2557514.
Almost surely, 230142145304 is an apocalyptic number.
It is an amenable number.
30142145304 is an abundant number, since it is smaller than the sum of its proper divisors (53593124496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30142145304 is an frugal number, since it uses more digits than its factorization.
30142145304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23641 (or 11818 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 30142145304 its reverse (40354124103), we get a palindrome (70496269407).
The spelling of 30142145304 in words is "thirty billion, one hundred forty-two million, one hundred forty-five thousand, three hundred four".
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