Base | Representation |
---|---|
bin | 1011100100110… |
… | …10000101100011 |
3 | 20202201012100011 |
4 | 11302122011203 |
5 | 144324201011 |
6 | 13345105351 |
7 | 2256223522 |
oct | 562320543 |
9 | 222635304 |
10 | 97100131 |
11 | 4a8a0847 |
12 | 28628257 |
13 | 171698cb |
14 | cc784b9 |
15 | 87d0621 |
hex | 5c9a163 |
97100131 has 4 divisors (see below), whose sum is σ = 97150752. Its totient is φ = 97049512.
The previous prime is 97100117. The next prime is 97100137. The reversal of 97100131 is 13100179.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13100179 = 23 ⋅569573.
It is a cyclic number.
It is not a de Polignac number, because 97100131 - 211 = 97098083 is a prime.
It is a super-2 number, since 2×971001312 = 18856870880434322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (97100137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22315 + ... + 26308.
It is an arithmetic number, because the mean of its divisors is an integer number (24287688).
Almost surely, 297100131 is an apocalyptic number.
97100131 is a deficient number, since it is larger than the sum of its proper divisors (50621).
97100131 is a wasteful number, since it uses less digits than its factorization.
97100131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50620.
The product of its (nonzero) digits is 189, while the sum is 22.
The square root of 97100131 is about 9853.9398719497. The cubic root of 97100131 is about 459.6281351926.
The spelling of 97100131 in words is "ninety-seven million, one hundred thousand, one hundred thirty-one".
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