Base | Representation |
---|---|
bin | 1011111110000111… |
… | …0000101011011001 |
3 | 22021221101110201121 |
4 | 2333201300223121 |
5 | 23040101022033 |
6 | 1250504045241 |
7 | 142425404614 |
oct | 27741605331 |
9 | 8257343647 |
10 | 3213298393 |
11 | 13a9906708 |
12 | 758163821 |
13 | 3c29467c6 |
14 | 226a8b17b |
15 | 13c17862d |
hex | bf870ad9 |
3213298393 has 8 divisors (see below), whose sum is σ = 3225260808. Its totient is φ = 3201354624.
The previous prime is 3213298391. The next prime is 3213298409. The reversal of 3213298393 is 3938923123.
It can be written as a sum of positive squares in 4 ways, for example, as 1016064 + 3212282329 = 1008^2 + 56677^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3213298393 - 21 = 3213298391 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3213298391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405255 + ... + 413107.
It is an arithmetic number, because the mean of its divisors is an integer number (403157601).
Almost surely, 23213298393 is an apocalyptic number.
It is an amenable number.
3213298393 is a deficient number, since it is larger than the sum of its proper divisors (11962415).
3213298393 is a wasteful number, since it uses less digits than its factorization.
3213298393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9323.
The product of its digits is 209952, while the sum is 43.
The square root of 3213298393 is about 56685.9629273421. The cubic root of 3213298393 is about 1475.6510990074.
The spelling of 3213298393 in words is "three billion, two hundred thirteen million, two hundred ninety-eight thousand, three hundred ninety-three".
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