Base | Representation |
---|---|
bin | 11100010100001010… |
… | …100101100001101100 |
3 | 2220110211210000122101 |
4 | 130110022211201230 |
5 | 444231142344130 |
6 | 21544511424444 |
7 | 2124263001634 |
oct | 342412454154 |
9 | 86424700571 |
10 | 30403090540 |
11 | 1199182aa09 |
12 | 5a85b25124 |
13 | 2b36a49304 |
14 | 1685bb56c4 |
15 | bce1ed1ca |
hex | 7142a586c |
30403090540 has 24 divisors (see below), whose sum is σ = 67206832560. Its totient is φ = 11521171008.
The previous prime is 30403090517. The next prime is 30403090579. The reversal of 30403090540 is 4509030403.
It is a junction number, because it is equal to n+sod(n) for n = 30403090499 and 30403090508.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40003687 + ... + 40004446.
It is an arithmetic number, because the mean of its divisors is an integer number (2800284690).
Almost surely, 230403090540 is an apocalyptic number.
It is an amenable number.
30403090540 is an abundant number, since it is smaller than the sum of its proper divisors (36803742020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30403090540 is a wasteful number, since it uses less digits than its factorization.
30403090540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80008161 (or 80008159 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
The spelling of 30403090540 in words is "thirty billion, four hundred three million, ninety thousand, five hundred forty".
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