Base | Representation |
---|---|
bin | 1000010111101… |
… | …01110111101101 |
3 | 11220010012021020 |
4 | 10023311313231 |
5 | 120433304401 |
6 | 10544524353 |
7 | 1511541630 |
oct | 413656755 |
9 | 156105236 |
10 | 70213101 |
11 | 366a7162 |
12 | 1b6206b9 |
13 | 1171481a |
14 | 9479c17 |
15 | 626dd36 |
hex | 42f5ded |
70213101 has 8 divisors (see below), whose sum is σ = 106991424. Its totient is φ = 40121760.
The previous prime is 70213097. The next prime is 70213123. The reversal of 70213101 is 10131207.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70213101 - 22 = 70213097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70213141) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1671720 + ... + 1671761.
It is an arithmetic number, because the mean of its divisors is an integer number (13373928).
Almost surely, 270213101 is an apocalyptic number.
It is an amenable number.
70213101 is a deficient number, since it is larger than the sum of its proper divisors (36778323).
70213101 is a wasteful number, since it uses less digits than its factorization.
70213101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3343491.
The product of its (nonzero) digits is 42, while the sum is 15.
The square root of 70213101 is about 8379.3258082020. The cubic root of 70213101 is about 412.5463206018.
Adding to 70213101 its reverse (10131207), we get a palindrome (80344308).
The spelling of 70213101 in words is "seventy million, two hundred thirteen thousand, one hundred one".
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