Base | Representation |
---|---|
bin | 101000000101100… |
… | …0110100011100000 |
3 | 10110202000112110102 |
4 | 1100023012203200 |
5 | 10223320301322 |
6 | 341245521532 |
7 | 45222025343 |
oct | 12013064340 |
9 | 3422015412 |
10 | 1345087712 |
11 | 6302a3341 |
12 | 3165732a8 |
13 | 1858934b7 |
14 | ca8da45a |
15 | 7d149792 |
hex | 502c68e0 |
1345087712 has 48 divisors (see below), whose sum is σ = 2714205312. Its totient is φ = 655966080.
The previous prime is 1345087661. The next prime is 1345087717. The reversal of 1345087712 is 2177805431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1345087717) 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 7 ways as a sum of consecutive naturals, for example, 217787 + ... + 223877.
It is an arithmetic number, because the mean of its divisors is an integer number (56545944).
Almost surely, 21345087712 is an apocalyptic number.
It is an amenable number.
1345087712 is an abundant number, since it is smaller than the sum of its proper divisors (1369117600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345087712 is a wasteful number, since it uses less digits than its factorization.
1345087712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6271 (or 6263 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 38.
The square root of 1345087712 is about 36675.4374479705. The cubic root of 1345087712 is about 1103.8673000903.
The spelling of 1345087712 in words is "one billion, three hundred forty-five million, eighty-seven thousand, seven hundred twelve".
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