Base | Representation |
---|---|
bin | 11100011011001001… |
… | …010000011011001111 |
3 | 2220210000002220120212 |
4 | 130123021100123033 |
5 | 1000001131314404 |
6 | 22004253233035 |
7 | 2130214161563 |
oct | 343311203317 |
9 | 86700086525 |
10 | 30520182479 |
11 | 11a41935906 |
12 | 5ab919277b |
13 | 2b55095697 |
14 | 16975756a3 |
15 | bd962c06e |
hex | 71b2506cf |
30520182479 has 2 divisors, whose sum is σ = 30520182480. Its totient is φ = 30520182478.
The previous prime is 30520182439. The next prime is 30520182491. The reversal of 30520182479 is 97428102503.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30520182479 - 28 = 30520182223 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30520182439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15260091239 + 15260091240.
It is an arithmetic number, because the mean of its divisors is an integer number (15260091240).
Almost surely, 230520182479 is an apocalyptic number.
30520182479 is a deficient number, since it is larger than the sum of its proper divisors (1).
30520182479 is an equidigital number, since it uses as much as digits as its factorization.
30520182479 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 30520182479 in words is "thirty billion, five hundred twenty million, one hundred eighty-two thousand, four hundred seventy-nine".
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