Base | Representation |
---|---|
bin | 101000000110000… |
… | …0111011010000001 |
3 | 10110202112000211200 |
4 | 1100030013122001 |
5 | 10223402301340 |
6 | 341255331413 |
7 | 45224212650 |
oct | 12014073201 |
9 | 3422460750 |
10 | 1345353345 |
11 | 630464976 |
12 | 316680b69 |
13 | 18595738b |
14 | ca969197 |
15 | 7d19d330 |
hex | 50307681 |
1345353345 has 96 divisors (see below), whose sum is σ = 2766127104. Its totient is φ = 591926400.
The previous prime is 1345353343. The next prime is 1345353379. The reversal of 1345353345 is 5433535431.
1345353345 is a `hidden beast` number, since 1 + 34 + 53 + 533 + 45 = 666.
It is not a de Polignac number, because 1345353345 - 21 = 1345353343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1345353343) by changing a digit.
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 95 ways as a sum of consecutive naturals, for example, 3036694 + ... + 3037136.
It is an arithmetic number, because the mean of its divisors is an integer number (28813824).
Almost surely, 21345353345 is an apocalyptic number.
1345353345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1345353345 is an abundant number, since it is smaller than the sum of its proper divisors (1420773759).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345353345 is a wasteful number, since it uses less digits than its factorization.
1345353345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 803 (or 800 counting only the distinct ones).
The product of its digits is 162000, while the sum is 36.
The square root of 1345353345 is about 36679.0586711273. The cubic root of 1345353345 is about 1103.9399606015.
Adding to 1345353345 its reverse (5433535431), we get a palindrome (6778888776).
The spelling of 1345353345 in words is "one billion, three hundred forty-five million, three hundred fifty-three thousand, three hundred forty-five".
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