Base | Representation |
---|---|
bin | 1101000001001101… |
… | …01110011010101100 |
3 | 200001002221001002010 |
4 | 12200212232122230 |
5 | 103303301122302 |
6 | 3113320401220 |
7 | 335130354423 |
oct | 64046563254 |
9 | 20032831063 |
10 | 6989473452 |
11 | 2a67414945 |
12 | 1430916210 |
13 | 87508b810 |
14 | 4a43ba2ba |
15 | 2ad93a16c |
hex | 1a09ae6ac |
6989473452 has 48 divisors (see below), whose sum is σ = 17851239392. Its totient is φ = 2115348480.
The previous prime is 6989473441. The next prime is 6989473453. The reversal of 6989473452 is 2543749896.
It is a junction number, because it is equal to n+sod(n) for n = 6989473392 and 6989473401.
It is not an unprimeable number, because it can be changed into a prime (6989473453) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357733 + ... + 376764.
Almost surely, 26989473452 is an apocalyptic number.
It is an amenable number.
6989473452 is an abundant number, since it is smaller than the sum of its proper divisors (10861765940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6989473452 is a wasteful number, since it uses less digits than its factorization.
6989473452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 734578 (or 734576 counting only the distinct ones).
The product of its digits is 13063680, while the sum is 57.
The square root of 6989473452 is about 83603.0708287680. The cubic root of 6989473452 is about 1911.9718178155.
The spelling of 6989473452 in words is "six billion, nine hundred eighty-nine million, four hundred seventy-three thousand, four hundred fifty-two".
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