Base | Representation |
---|---|
bin | 111100010100100… |
… | …101101101100001 |
3 | 2121112022110120220 |
4 | 330110211231201 |
5 | 4033034432210 |
6 | 244231153253 |
7 | 34036054446 |
oct | 7424455541 |
9 | 2545273526 |
10 | 1012030305 |
11 | 47a2a0390 |
12 | 242b15829 |
13 | 13188cc00 |
14 | 9859d9cd |
15 | 5dcaac70 |
hex | 3c525b61 |
1012030305 has 48 divisors (see below), whose sum is σ = 1912838976. Its totient is φ = 452924160.
The previous prime is 1012030301. The next prime is 1012030319. The reversal of 1012030305 is 5030302101.
It is a happy number.
1012030305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1012030305 - 22 = 1012030301 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (1012030301) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9739 + ... + 46031.
It is an arithmetic number, because the mean of its divisors is an integer number (39850812).
Almost surely, 21012030305 is an apocalyptic number.
1012030305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1012030305 is a deficient number, since it is larger than the sum of its proper divisors (900808671).
1012030305 is a wasteful number, since it uses less digits than its factorization.
1012030305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36338 (or 36325 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 1012030305 is about 31812.4237523644. The cubic root of 1012030305 is about 1003.9941273737.
Adding to 1012030305 its reverse (5030302101), we get a palindrome (6042332406).
The spelling of 1012030305 in words is "one billion, twelve million, thirty thousand, three hundred five".
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