Base | Representation |
---|---|
bin | 11100100011001101… |
… | …001011111110000001 |
3 | 2221010102121020000220 |
4 | 130203031023332001 |
5 | 1000240242234104 |
6 | 22025524133253 |
7 | 2133445601013 |
oct | 344315137601 |
9 | 87112536026 |
10 | 30655430529 |
11 | 12001211759 |
12 | 5b36537229 |
13 | 2b770cab09 |
14 | 16ab5001b3 |
15 | be64457d9 |
hex | 72334bf81 |
30655430529 has 4 divisors (see below), whose sum is σ = 40873907376. Its totient is φ = 20436953684.
The previous prime is 30655430521. The next prime is 30655430543. The reversal of 30655430529 is 92503455603.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30655430529 - 23 = 30655430521 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30655430521) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5109238419 + ... + 5109238424.
It is an arithmetic number, because the mean of its divisors is an integer number (10218476844).
Almost surely, 230655430529 is an apocalyptic number.
It is an amenable number.
30655430529 is a deficient number, since it is larger than the sum of its proper divisors (10218476847).
30655430529 is a wasteful number, since it uses less digits than its factorization.
30655430529 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10218476846.
The product of its (nonzero) digits is 486000, while the sum is 42.
The spelling of 30655430529 in words is "thirty billion, six hundred fifty-five million, four hundred thirty thousand, five hundred twenty-nine".
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