Base | Representation |
---|---|
bin | 100000100111011111… |
… | …0010101011111111010 |
3 | 20200210111222020212122 |
4 | 1001032332111133322 |
5 | 2121422334044240 |
6 | 52102235241242 |
7 | 5026523630666 |
oct | 1011676253772 |
9 | 220714866778 |
10 | 70044440570 |
11 | 27784295a15 |
12 | 116a98a9222 |
13 | 67b3707450 |
14 | 35668a38a6 |
15 | 1c4e48d4b5 |
hex | 104ef957fa |
70044440570 has 64 divisors (see below), whose sum is σ = 143821228320. Its totient is φ = 24331788288.
The previous prime is 70044440561. The next prime is 70044440581. The reversal of 70044440570 is 7504444007.
It can be written as a sum of positive squares in 16 ways, for example, as 1619821009 + 68424619561 = 40247^2 + 261581^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 70044440570.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8113016 + ... + 8121644.
Almost surely, 270044440570 is an apocalyptic number.
70044440570 is an abundant number, since it is smaller than the sum of its proper divisors (73776787750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70044440570 is a wasteful number, since it uses less digits than its factorization.
70044440570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12339.
The product of its (nonzero) digits is 62720, while the sum is 35.
Adding to 70044440570 its reverse (7504444007), we get a palindrome (77548884577).
The spelling of 70044440570 in words is "seventy billion, forty-four million, four hundred forty thousand, five hundred seventy".
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