Base | Representation |
---|---|
bin | 11100011000101010… |
… | …101001101001001010 |
3 | 2220200002212112211120 |
4 | 130120222221221022 |
5 | 444410010323444 |
6 | 22000210140110 |
7 | 2126200603224 |
oct | 343052515112 |
9 | 86602775746 |
10 | 30478604874 |
11 | 11a20417a53 |
12 | 5aa7281636 |
13 | 2b49598a53 |
14 | 1691c31414 |
15 | bd5b67b19 |
hex | 718aa9a4a |
30478604874 has 8 divisors (see below), whose sum is σ = 60957209760. Its totient is φ = 10159534956.
The previous prime is 30478604873. The next prime is 30478604899. The reversal of 30478604874 is 47840687403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
30478604874 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (30478604873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539883734 + ... + 2539883745.
It is an arithmetic number, because the mean of its divisors is an integer number (7619651220).
Almost surely, 230478604874 is an apocalyptic number.
30478604874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30478604874 is a wasteful number, since it uses less digits than its factorization.
30478604874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5079767484.
The product of its (nonzero) digits is 3612672, while the sum is 51.
The spelling of 30478604874 in words is "thirty billion, four hundred seventy-eight million, six hundred four thousand, eight hundred seventy-four".
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