Base | Representation |
---|---|
bin | 101101000100001… |
… | …0100011100000001 |
3 | 10220101100011211010 |
4 | 1122020110130001 |
5 | 11044101132210 |
6 | 410014111133 |
7 | 52320616110 |
oct | 13210243401 |
9 | 3811304733 |
10 | 1512130305 |
11 | 706615974 |
12 | 3624ab4a9 |
13 | 1b137b67a |
14 | 104b7dc77 |
15 | 8cb43920 |
hex | 5a214701 |
1512130305 has 32 divisors (see below), whose sum is σ = 2766495744. Its totient is φ = 690895296.
The previous prime is 1512130273. The next prime is 1512130327. The reversal of 1512130305 is 5030312151.
It is not a de Polignac number, because 1512130305 - 25 = 1512130273 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393624 + ... + 397446.
It is an arithmetic number, because the mean of its divisors is an integer number (86452992).
Almost surely, 21512130305 is an apocalyptic number.
1512130305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1512130305 is a deficient number, since it is larger than the sum of its proper divisors (1254365439).
1512130305 is a wasteful number, since it uses less digits than its factorization.
1512130305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7605.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 1512130305 is about 38886.1196958503. The cubic root of 1512130305 is about 1147.7916802107.
Adding to 1512130305 its reverse (5030312151), we get a palindrome (6542442456).
The spelling of 1512130305 in words is "one billion, five hundred twelve million, one hundred thirty thousand, three hundred five".
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