Base | Representation |
---|---|
bin | 11011111100001011… |
… | …110110000001000000 |
3 | 2212102210201212120000 |
4 | 123330023312001000 |
5 | 442420144021130 |
6 | 21440540320000 |
7 | 2111306212056 |
oct | 337413660100 |
9 | 85383655500 |
10 | 30000767040 |
11 | 117a5718352 |
12 | 5993243000 |
13 | 2aa15a327a |
14 | 16485a81d6 |
15 | ba8c2b260 |
hex | 6fc2f6040 |
30000767040 has 140 divisors (see below), whose sum is σ = 106718098476. Its totient is φ = 8000197632.
The previous prime is 30000767039. The next prime is 30000767063. The reversal of 30000767040 is 4076700003.
It can be written as a sum of positive squares in 2 ways, for example, as 15767322624 + 14233444416 = 125568^2 + 119304^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 30000766995 and 30000767013.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 552799 + ... + 604638.
Almost surely, 230000767040 is an apocalyptic number.
30000767040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30000767040 is an abundant number, since it is smaller than the sum of its proper divisors (76717331436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000767040 is a wasteful number, since it uses less digits than its factorization.
30000767040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1157466 (or 1157447 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The spelling of 30000767040 in words is "thirty billion, seven hundred sixty-seven thousand, forty".
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