Base | Representation |
---|---|
bin | 111100110011010… |
… | …101011111001011 |
3 | 2122002110221211210 |
4 | 330303111133023 |
5 | 4042120342230 |
6 | 245120024203 |
7 | 34164424146 |
oct | 7463253713 |
9 | 2562427753 |
10 | 1020090315 |
11 | 4838a5a52 |
12 | 245762063 |
13 | 13345274a |
14 | 9969b05d |
15 | 5e84deb0 |
hex | 3ccd57cb |
1020090315 has 32 divisors (see below), whose sum is σ = 1660248576. Its totient is φ = 534758400.
The previous prime is 1020090271. The next prime is 1020090329. The reversal of 1020090315 is 5130900201.
It is not a de Polignac number, because 1020090315 - 27 = 1020090187 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1020090291 and 1020090300.
It is an unprimeable number.
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 in 31 ways as a sum of consecutive naturals, for example, 217384 + ... + 222026.
It is an arithmetic number, because the mean of its divisors is an integer number (51882768).
Almost surely, 21020090315 is an apocalyptic number.
1020090315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1020090315 is a deficient number, since it is larger than the sum of its proper divisors (640158261).
1020090315 is a wasteful number, since it uses less digits than its factorization.
1020090315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4899.
The product of its (nonzero) digits is 270, while the sum is 21.
The square root of 1020090315 is about 31938.8527502163. The cubic root of 1020090315 is about 1006.6524188565.
Adding to 1020090315 its reverse (5130900201), we get a palindrome (6150990516).
The spelling of 1020090315 in words is "one billion, twenty million, ninety thousand, three hundred fifteen".
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