Base | Representation |
---|---|
bin | 11100011001111100… |
… | …010010011010011010 |
3 | 2220201121010211000110 |
4 | 130121330102122122 |
5 | 444431000134110 |
6 | 22002252545150 |
7 | 2126550524631 |
oct | 343174223232 |
9 | 86647124013 |
10 | 30500005530 |
11 | 11a31504645 |
12 | 5ab24821b6 |
13 | 2b50b4c867 |
14 | 1694a02518 |
15 | bd7993a20 |
hex | 719f1269a |
30500005530 has 32 divisors (see below), whose sum is σ = 73623147264. Its totient is φ = 8086319936.
The previous prime is 30500005519. The next prime is 30500005537. The reversal of 30500005530 is 3550000503.
It is a junction number, because it is equal to n+sod(n) for n = 30500005497 and 30500005506.
It is not an unprimeable number, because it can be changed into a prime (30500005537) 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, 2933154 + ... + 2943533.
It is an arithmetic number, because the mean of its divisors is an integer number (2300723352).
Almost surely, 230500005530 is an apocalyptic number.
30500005530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30500005530 is an abundant number, since it is smaller than the sum of its proper divisors (43123141734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30500005530 is a wasteful number, since it uses less digits than its factorization.
30500005530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5876870.
The product of its (nonzero) digits is 1125, while the sum is 21.
The spelling of 30500005530 in words is "thirty billion, five hundred million, five thousand, five hundred thirty".
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