Base | Representation |
---|---|
bin | 100000110100110111… |
… | …0101000001001011101 |
3 | 20201221210121001112012 |
4 | 1001221232220021131 |
5 | 2123332241314420 |
6 | 52214552121005 |
7 | 5043614140616 |
oct | 1015156501135 |
9 | 221853531465 |
10 | 70493307485 |
11 | 279946a8307 |
12 | 117b4096165 |
13 | 68556c8483 |
14 | 35aa348c0d |
15 | 1c78aa5dc5 |
hex | 1069ba825d |
70493307485 has 8 divisors (see below), whose sum is σ = 84602308056. Its totient is φ = 56387753280.
The previous prime is 70493307343. The next prime is 70493307487. The reversal of 70493307485 is 58470339407.
It can be written as a sum of positive squares in 4 ways, for example, as 40376481721 + 30116825764 = 200939^2 + 173542^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70493307485 - 210 = 70493306461 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 (70493307487) 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, 816374 + ... + 898583.
It is an arithmetic number, because the mean of its divisors is an integer number (10575288507).
Almost surely, 270493307485 is an apocalyptic number.
It is an amenable number.
70493307485 is a deficient number, since it is larger than the sum of its proper divisors (14109000571).
70493307485 is a wasteful number, since it uses less digits than its factorization.
70493307485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1723183.
The product of its (nonzero) digits is 2540160, while the sum is 50.
The spelling of 70493307485 in words is "seventy billion, four hundred ninety-three million, three hundred seven thousand, four hundred eighty-five".
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