Base | Representation |
---|---|
bin | 10000101011110001… |
… | …00000010101110001 |
3 | 212010020022020021121 |
4 | 20111320200111301 |
5 | 121321002144112 |
6 | 4040445022241 |
7 | 434651553535 |
oct | 102570402561 |
9 | 25106266247 |
10 | 8957068657 |
11 | 3887039289 |
12 | 189b854981 |
13 | ac98cb434 |
14 | 60d83bbc5 |
15 | 37654b407 |
hex | 215e20571 |
8957068657 has 8 divisors (see below), whose sum is σ = 9142761600. Its totient is φ = 8772505104.
The previous prime is 8957068591. The next prime is 8957068661. The reversal of 8957068657 is 7568607598.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8957068657 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8957068595 and 8957068604.
It is not an unprimeable number, because it can be changed into a prime (8957068957) 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, 266313 + ... + 298054.
It is an arithmetic number, because the mean of its divisors is an integer number (1142845200).
Almost surely, 28957068657 is an apocalyptic number.
It is an amenable number.
8957068657 is a deficient number, since it is larger than the sum of its proper divisors (185692943).
8957068657 is a wasteful number, since it uses less digits than its factorization.
8957068657 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 564695.
The product of its (nonzero) digits is 25401600, while the sum is 61.
The square root of 8957068657 is about 94641.7912816532. The cubic root of 8957068657 is about 2076.7711133382.
The spelling of 8957068657 in words is "eight billion, nine hundred fifty-seven million, sixty-eight thousand, six hundred fifty-seven".
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