Base | Representation |
---|---|
bin | 11100011100010110… |
… | …111011110011010100 |
3 | 2220211102102110001001 |
4 | 130130112323303110 |
5 | 1000021334421421 |
6 | 22010301513044 |
7 | 2130552231325 |
oct | 343426736324 |
9 | 86742373031 |
10 | 30540545236 |
11 | 11a52383733 |
12 | 5b03b72784 |
13 | 2b59374c56 |
14 | 169a15644c |
15 | bdb300691 |
hex | 71c5bbcd4 |
30540545236 has 24 divisors (see below), whose sum is σ = 54860004360. Its totient is φ = 14871216000.
The previous prime is 30540545213. The next prime is 30540545263. The reversal of 30540545236 is 63254504503.
It can be written as a sum of positive squares in 4 ways, for example, as 590781636 + 29949763600 = 24306^2 + 173060^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30540545195 and 30540545204.
It is a congruent number.
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, 594991 + ... + 644278.
It is an arithmetic number, because the mean of its divisors is an integer number (2285833515).
Almost surely, 230540545236 is an apocalyptic number.
It is an amenable number.
30540545236 is a deficient number, since it is larger than the sum of its proper divisors (24319459124).
30540545236 is a wasteful number, since it uses less digits than its factorization.
30540545236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1239435 (or 1239433 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 37.
The spelling of 30540545236 in words is "thirty billion, five hundred forty million, five hundred forty-five thousand, two hundred thirty-six".
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