Base | Representation |
---|---|
bin | 11100011010100000… |
… | …111110001100100100 |
3 | 2220202021020101101221 |
4 | 130122200332030210 |
5 | 444440430401202 |
6 | 22003235030124 |
7 | 2130025336300 |
oct | 343240761444 |
9 | 86667211357 |
10 | 30509622052 |
11 | 11a36982688 |
12 | 5ab573b344 |
13 | 2b52b38a00 |
14 | 1695dc6d00 |
15 | bd8743037 |
hex | 71a83e324 |
30509622052 has 54 divisors (see below), whose sum is σ = 67254060258. Its totient is φ = 12069727488.
The previous prime is 30509622049. The next prime is 30509622083. The reversal of 30509622052 is 25022690503.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 158407396 + 30351214656 = 12586^2 + 174216^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30509621999 and 30509622017.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 427413 + ... + 493660.
Almost surely, 230509622052 is an apocalyptic number.
It is an amenable number.
30509622052 is an abundant number, since it is smaller than the sum of its proper divisors (36744438206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30509622052 is a wasteful number, since it uses less digits than its factorization.
30509622052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921117 (or 921095 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 34.
The spelling of 30509622052 in words is "thirty billion, five hundred nine million, six hundred twenty-two thousand, fifty-two".
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