Base | Representation |
---|---|
bin | 101111111100… |
… | …110111110010 |
3 | 212122121221012 |
4 | 233330313302 |
5 | 11204220343 |
6 | 1125230522 |
7 | 211562342 |
oct | 57746762 |
9 | 25577835 |
10 | 12570098 |
11 | 7106112 |
12 | 4262442 |
13 | 27b1638 |
14 | 1952d22 |
15 | 1184718 |
hex | bfcdf2 |
12570098 has 18 divisors (see below), whose sum is σ = 19893069. Its totient is φ = 5956632.
The previous prime is 12570073. The next prime is 12570119. The reversal of 12570098 is 89007521.
It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 508369 = 3473^2 + 713^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=2507.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 115268 + ... + 115376.
Almost surely, 212570098 is an apocalyptic number.
12570098 is a deficient number, since it is larger than the sum of its proper divisors (7322971).
12570098 is an equidigital number, since it uses as much as digits as its factorization.
12570098 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266 (or 134 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 12570098 is about 3545.4334008693. The cubic root of 12570098 is about 232.5124547226.
Multiplying 12570098 by its sum of digits (32), we get a square (402243136 = 200562).
The spelling of 12570098 in words is "twelve million, five hundred seventy thousand, ninety-eight".
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