Base | Representation |
---|---|
bin | 10010001111111010… |
… | …00101101001110111 |
3 | 221021210000210222221 |
4 | 21013331011221313 |
5 | 130031031141441 |
6 | 4300054303211 |
7 | 464532144523 |
oct | 110775055167 |
9 | 27253023887 |
10 | 9797130871 |
11 | 4178252480 |
12 | 1a95057b07 |
13 | c0196a278 |
14 | 68d234d83 |
15 | 3c51888d1 |
hex | 247f45a77 |
9797130871 has 32 divisors (see below), whose sum is σ = 11336371200. Its totient is φ = 8383025280.
The previous prime is 9797130841. The next prime is 9797130919. The reversal of 9797130871 is 1780317979.
It is not a de Polignac number, because 9797130871 - 25 = 9797130839 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9797130841) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4241865 + ... + 4244173.
It is an arithmetic number, because the mean of its divisors is an integer number (354261600).
Almost surely, 29797130871 is an apocalyptic number.
9797130871 is a deficient number, since it is larger than the sum of its proper divisors (1539240329).
9797130871 is a wasteful number, since it uses less digits than its factorization.
9797130871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2679.
The product of its (nonzero) digits is 666792, while the sum is 52.
The square root of 9797130871 is about 98980.4570155139. The cubic root of 9797130871 is about 2139.7661018273.
The spelling of 9797130871 in words is "nine billion, seven hundred ninety-seven million, one hundred thirty thousand, eight hundred seventy-one".
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