Base | Representation |
---|---|
bin | 11011111110111001… |
… | …110111000111101100 |
3 | 2212112222120111010000 |
4 | 123332321313013230 |
5 | 443013333301440 |
6 | 21445250144300 |
7 | 2112402024660 |
oct | 337671670754 |
9 | 85488514100 |
10 | 30046384620 |
11 | 1181944552a |
12 | 59a6582090 |
13 | 2aaab85a15 |
14 | 16506808a0 |
15 | bacc3c730 |
hex | 6fee771ec |
30046384620 has 120 divisors (see below), whose sum is σ = 107721893664. Its totient is φ = 6867742464.
The previous prime is 30046384573. The next prime is 30046384649. The reversal of 30046384620 is 2648364003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1313457 + ... + 1336136.
Almost surely, 230046384620 is an apocalyptic number.
30046384620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30046384620 is an abundant number, since it is smaller than the sum of its proper divisors (77675509044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30046384620 is a wasteful number, since it uses less digits than its factorization.
30046384620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2649621 (or 2649610 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 36.
The spelling of 30046384620 in words is "thirty billion, forty-six million, three hundred eighty-four thousand, six hundred twenty".
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