Base | Representation |
---|---|
bin | 11100011000101000… |
… | …110111110011101001 |
3 | 2220200001222212020012 |
4 | 130120220313303221 |
5 | 444404400413401 |
6 | 22000152141305 |
7 | 2126163621641 |
oct | 343050676351 |
9 | 86601885205 |
10 | 30478138601 |
11 | 11a201296a9 |
12 | 5aa7097835 |
13 | 2b49464751 |
14 | 1691b4d521 |
15 | bd5ac48bb |
hex | 718a37ce9 |
30478138601 has 2 divisors, whose sum is σ = 30478138602. Its totient is φ = 30478138600.
The previous prime is 30478138571. The next prime is 30478138631. The reversal of 30478138601 is 10683187403.
It is a balanced prime because it is at equal distance from previous prime (30478138571) and next prime (30478138631).
It can be written as a sum of positive squares in only one way, i.e., 30406989376 + 71149225 = 174376^2 + 8435^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30478138601 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (30478138631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15239069300 + 15239069301.
It is an arithmetic number, because the mean of its divisors is an integer number (15239069301).
Almost surely, 230478138601 is an apocalyptic number.
It is an amenable number.
30478138601 is a deficient number, since it is larger than the sum of its proper divisors (1).
30478138601 is an equidigital number, since it uses as much as digits as its factorization.
30478138601 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96768, while the sum is 41.
The spelling of 30478138601 in words is "thirty billion, four hundred seventy-eight million, one hundred thirty-eight thousand, six hundred one".
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