Base | Representation |
---|---|
bin | 100000110100100111… |
… | …1110001110011011010 |
3 | 20201221020101012100211 |
4 | 1001221033301303122 |
5 | 2123323204024240 |
6 | 52214102521334 |
7 | 5043455326612 |
oct | 1015117616332 |
9 | 221836335324 |
10 | 70485220570 |
11 | 27990084506 |
12 | 117b143624a |
13 | 6853b2660b |
14 | 35a9241a42 |
15 | 1c78009bea |
hex | 10693f1cda |
70485220570 has 16 divisors (see below), whose sum is σ = 126934168680. Its totient is φ = 28180583424.
The previous prime is 70485220549. The next prime is 70485220573. The reversal of 70485220570 is 7502258407.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 67697274969 + 2787945601 = 260187^2 + 52801^2 .
It is a super-2 number, since 2×704852205702 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70485220573) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666167 + ... + 1707946.
Almost surely, 270485220570 is an apocalyptic number.
70485220570 is a deficient number, since it is larger than the sum of its proper divisors (56448948110).
70485220570 is a wasteful number, since it uses less digits than its factorization.
70485220570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3376209.
The product of its (nonzero) digits is 156800, while the sum is 40.
Adding to 70485220570 its reverse (7502258407), we get a palindrome (77987478977).
The spelling of 70485220570 in words is "seventy billion, four hundred eighty-five million, two hundred twenty thousand, five hundred seventy".
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