Base | Representation |
---|---|
bin | 100010001000101… |
… | …1000011011101101 |
3 | 2221211021201022101 |
4 | 1010101120123231 |
5 | 4321211012323 |
6 | 305354015101 |
7 | 40245541426 |
oct | 10421303355 |
9 | 2854251271 |
10 | 1145407213 |
11 | 538609435 |
12 | 27b717491 |
13 | 1533bb762 |
14 | ac19c64d |
15 | 6a854dad |
hex | 444586ed |
1145407213 has 2 divisors, whose sum is σ = 1145407214. Its totient is φ = 1145407212.
The previous prime is 1145407183. The next prime is 1145407243. The reversal of 1145407213 is 3127045411.
It is a balanced prime because it is at equal distance from previous prime (1145407183) and next prime (1145407243).
It can be written as a sum of positive squares in only one way, i.e., 1145348649 + 58564 = 33843^2 + 242^2 .
It is a cyclic number.
It is not a de Polignac number, because 1145407213 - 217 = 1145276141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1145407243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572703606 + 572703607.
It is an arithmetic number, because the mean of its divisors is an integer number (572703607).
Almost surely, 21145407213 is an apocalyptic number.
It is an amenable number.
1145407213 is a deficient number, since it is larger than the sum of its proper divisors (1).
1145407213 is an equidigital number, since it uses as much as digits as its factorization.
1145407213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 1145407213 is about 33843.8652195638. The cubic root of 1145407213 is about 1046.2929633446.
The spelling of 1145407213 in words is "one billion, one hundred forty-five million, four hundred seven thousand, two hundred thirteen".
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