Base | Representation |
---|---|
bin | 11100100000001110… |
… | …011111011001110110 |
3 | 2220222221112110210011 |
4 | 130200032133121312 |
5 | 1000134443100010 |
6 | 22020540450434 |
7 | 2132300644612 |
oct | 344016373166 |
9 | 86887473704 |
10 | 30605440630 |
11 | 11a85a78596 |
12 | 5b21849a1a |
13 | 2b699471ab |
14 | 16a4a0a342 |
15 | be1d6da8a |
hex | 72039f676 |
30605440630 has 32 divisors (see below), whose sum is σ = 55298744064. Its totient is φ = 12195824256.
The previous prime is 30605440583. The next prime is 30605440637. The reversal of 30605440630 is 3604450603.
It is a junction number, because it is equal to n+sod(n) for n = 30605440592 and 30605440601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30605440637) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3421644 + ... + 3430576.
It is an arithmetic number, because the mean of its divisors is an integer number (1728085752).
Almost surely, 230605440630 is an apocalyptic number.
30605440630 is a deficient number, since it is larger than the sum of its proper divisors (24693303434).
30605440630 is a wasteful number, since it uses less digits than its factorization.
30605440630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10200.
The product of its (nonzero) digits is 25920, while the sum is 31.
The spelling of 30605440630 in words is "thirty billion, six hundred five million, four hundred forty thousand, six hundred thirty".
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