Base | Representation |
---|---|
bin | 100000100110111011… |
… | …0100110101110100000 |
3 | 20200202012120220220112 |
4 | 1001031312212232200 |
5 | 2121403030334033 |
6 | 52100324230452 |
7 | 5026205043263 |
oct | 1011566465640 |
9 | 220665526815 |
10 | 70025636768 |
11 | 2777471238a |
12 | 116a353b428 |
13 | 67ac852639 |
14 | 35641aacda |
15 | 1c4c9c6c48 |
hex | 104dda6ba0 |
70025636768 has 24 divisors (see below), whose sum is σ = 145972560132. Its totient is φ = 32953240576.
The previous prime is 70025636767. The next prime is 70025636773. The reversal of 70025636768 is 86763652007.
It can be written as a sum of positive squares in 2 ways, for example, as 69922167184 + 103469584 = 264428^2 + 10172^2 .
It is not an unprimeable number, because it can be changed into a prime (70025636761) 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 3 ways as a sum of consecutive naturals, for example, 64361255 + ... + 64362342.
Almost surely, 270025636768 is an apocalyptic number.
It is an amenable number.
70025636768 is an abundant number, since it is smaller than the sum of its proper divisors (75946923364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70025636768 is a wasteful number, since it uses less digits than its factorization.
70025636768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128723624 (or 128723616 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 50.
The spelling of 70025636768 in words is "seventy billion, twenty-five million, six hundred thirty-six thousand, seven hundred sixty-eight".
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