Base | Representation |
---|---|
bin | 101000000110110… |
… | …0101010101010100 |
3 | 10110210020120120200 |
4 | 1100031211111110 |
5 | 10224002104233 |
6 | 341311500500 |
7 | 45230404413 |
oct | 12015452524 |
9 | 3423216520 |
10 | 1345738068 |
11 | 6306a7a24 |
12 | 316827730 |
13 | 185a6051c |
14 | caa2947a |
15 | 7d227313 |
hex | 50365554 |
1345738068 has 36 divisors (see below), whose sum is σ = 3406472160. Its totient is φ = 447953616.
The previous prime is 1345738057. The next prime is 1345738111. The reversal of 1345738068 is 8608375431.
1345738068 is a `hidden beast` number, since 13 + 4 + 573 + 8 + 0 + 68 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×13457380682 = 3622021895328745248, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463 + ... + 51881.
Almost surely, 21345738068 is an apocalyptic number.
1345738068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1345738068 is an abundant number, since it is smaller than the sum of its proper divisors (2060734092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345738068 is a wasteful number, since it uses less digits than its factorization.
1345738068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52156 (or 52151 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 1345738068 is about 36684.3027465427. The cubic root of 1345738068 is about 1104.0451797043.
The spelling of 1345738068 in words is "one billion, three hundred forty-five million, seven hundred thirty-eight thousand, sixty-eight".
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