Base | Representation |
---|---|
bin | 11100001100101101… |
… | …100110000011010101 |
3 | 2220011010111022021110 |
4 | 130030231212003111 |
5 | 444002140100010 |
6 | 21524243405233 |
7 | 2121214115160 |
oct | 341455460325 |
9 | 86133438243 |
10 | 30278050005 |
11 | 11928196125 |
12 | 5a50083819 |
13 | 2b16b79028 |
14 | 1673346ad7 |
15 | bc324e120 |
hex | 70cb660d5 |
30278050005 has 32 divisors (see below), whose sum is σ = 58622379264. Its totient is φ = 13027193856.
The previous prime is 30278050003. The next prime is 30278050009. The reversal of 30278050005 is 50005087203.
It is a happy number.
It is not a de Polignac number, because 30278050005 - 21 = 30278050003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30278050003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8479462 + ... + 8483031.
It is an arithmetic number, because the mean of its divisors is an integer number (1831949352).
Almost surely, 230278050005 is an apocalyptic number.
30278050005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30278050005 is a deficient number, since it is larger than the sum of its proper divisors (28344329259).
30278050005 is a wasteful number, since it uses less digits than its factorization.
30278050005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16962525.
The product of its (nonzero) digits is 8400, while the sum is 30.
The spelling of 30278050005 in words is "thirty billion, two hundred seventy-eight million, fifty thousand, five".
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