Base | Representation |
---|---|
bin | 100000110011100011… |
… | …1011111110101101111 |
3 | 20201211202011011122122 |
4 | 1001213013133311233 |
5 | 2123240032323112 |
6 | 52210345103155 |
7 | 5042542554614 |
oct | 1014707376557 |
9 | 221752134578 |
10 | 70449495407 |
11 | 279719a3685 |
12 | 117a1487abb |
13 | 68495c8775 |
14 | 35a45c250b |
15 | 1c74cee872 |
hex | 10671dfd6f |
70449495407 has 4 divisors (see below), whose sum is σ = 70454648040. Its totient is φ = 70444342776.
The previous prime is 70449495373. The next prime is 70449495409. The reversal of 70449495407 is 70459494407.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70459494407 = 2719 ⋅25913753.
It is a cyclic number.
It is not a de Polignac number, because 70449495407 - 210 = 70449494383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70449495409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555753 + ... + 2583170.
It is an arithmetic number, because the mean of its divisors is an integer number (17613662010).
Almost surely, 270449495407 is an apocalyptic number.
70449495407 is a deficient number, since it is larger than the sum of its proper divisors (5152633).
70449495407 is a wasteful number, since it uses less digits than its factorization.
70449495407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5152632.
The product of its (nonzero) digits is 5080320, while the sum is 53.
The spelling of 70449495407 in words is "seventy billion, four hundred forty-nine million, four hundred ninety-five thousand, four hundred seven".
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