Base | Representation |
---|---|
bin | 11100010001010110… |
… | …111101100011100111 |
3 | 2220100120011201202011 |
4 | 130101112331203213 |
5 | 444132114044142 |
6 | 21540110255051 |
7 | 2123151524416 |
oct | 342126754347 |
9 | 86316151664 |
10 | 30356003047 |
11 | 11968199427 |
12 | 5a721b7487 |
13 | 2b2a0707a6 |
14 | 167d83947d |
15 | bc9eeb417 |
hex | 7115bd8e7 |
30356003047 has 2 divisors, whose sum is σ = 30356003048. Its totient is φ = 30356003046.
The previous prime is 30356003017. The next prime is 30356003057. The reversal of 30356003047 is 74030065303.
It is a strong prime.
It is an emirp because it is prime and its reverse (74030065303) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30356003047 - 211 = 30356000999 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30356003017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15178001523 + 15178001524.
It is an arithmetic number, because the mean of its divisors is an integer number (15178001524).
Almost surely, 230356003047 is an apocalyptic number.
30356003047 is a deficient number, since it is larger than the sum of its proper divisors (1).
30356003047 is an equidigital number, since it uses as much as digits as its factorization.
30356003047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 22680, while the sum is 31.
The spelling of 30356003047 in words is "thirty billion, three hundred fifty-six million, three thousand, forty-seven".
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