Base | Representation |
---|---|
bin | 1000011100100… |
… | …00001001010011 |
3 | 11221022022002022 |
4 | 10032100021103 |
5 | 121114020021 |
6 | 11010242055 |
7 | 1520113136 |
oct | 416201123 |
9 | 157268068 |
10 | 70845011 |
11 | 36a989a6 |
12 | 1b88632b |
13 | 118a6333 |
14 | 95a221d |
15 | 63461ab |
hex | 4390253 |
70845011 has 4 divisors (see below), whose sum is σ = 71472072. Its totient is φ = 70217952.
The previous prime is 70844971. The next prime is 70845031. The reversal of 70845011 is 11054807.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11054807 = 1733 ⋅6379.
It is a cyclic number.
It is not a de Polignac number, because 70845011 - 26 = 70844947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70845031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313361 + ... + 313586.
It is an arithmetic number, because the mean of its divisors is an integer number (17868018).
Almost surely, 270845011 is an apocalyptic number.
70845011 is a deficient number, since it is larger than the sum of its proper divisors (627061).
70845011 is a wasteful number, since it uses less digits than its factorization.
70845011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 627060.
The product of its (nonzero) digits is 1120, while the sum is 26.
The square root of 70845011 is about 8416.9478434882. The cubic root of 70845011 is about 413.7802497028.
Adding to 70845011 its reverse (11054807), we get a palindrome (81899818).
The spelling of 70845011 in words is "seventy million, eight hundred forty-five thousand, eleven".
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