Base | Representation |
---|---|
bin | 11100011011101110… |
… | …111010000110110010 |
3 | 2220210200200100202022 |
4 | 130123232322012302 |
5 | 1000011143140110 |
6 | 22005244551442 |
7 | 2130364110335 |
oct | 343356720662 |
9 | 86720610668 |
10 | 30530052530 |
11 | 11a4746737a |
12 | 5b00552582 |
13 | 2b57140053 |
14 | 16989c461c |
15 | bda42b755 |
hex | 71bbba1b2 |
30530052530 has 32 divisors (see below), whose sum is σ = 57962520000. Its totient is φ = 11546062272.
The previous prime is 30530052523. The next prime is 30530052533. The reversal of 30530052530 is 3525003503.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30530052530.
It is not an unprimeable number, because it can be changed into a prime (30530052533) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66197 + ... + 255816.
It is an arithmetic number, because the mean of its divisors is an integer number (1811328750).
Almost surely, 230530052530 is an apocalyptic number.
30530052530 is a deficient number, since it is larger than the sum of its proper divisors (27432467470).
30530052530 is a wasteful number, since it uses less digits than its factorization.
30530052530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322538.
The product of its (nonzero) digits is 6750, while the sum is 26.
The spelling of 30530052530 in words is "thirty billion, five hundred thirty million, fifty-two thousand, five hundred thirty".
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