Base | Representation |
---|---|
bin | 100000101111111100… |
… | …0011000001101100010 |
3 | 20201112021201012210021 |
4 | 1001133320120031202 |
5 | 2123012442411430 |
6 | 52150331024054 |
7 | 5036536625416 |
oct | 1013770301542 |
9 | 221467635707 |
10 | 70328091490 |
11 | 2790a413068 |
12 | 1176889b02a |
13 | 682a3cc827 |
14 | 359241cd46 |
15 | 1c6931d07a |
hex | 105fe18362 |
70328091490 has 8 divisors (see below), whose sum is σ = 126590564700. Its totient is φ = 28131236592.
The previous prime is 70328091451. The next prime is 70328091499. The reversal of 70328091490 is 9419082307.
It can be written as a sum of positive squares in 2 ways, for example, as 67767023041 + 2561068449 = 260321^2 + 50607^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (70328091499) 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, 3516404565 + ... + 3516404584.
Almost surely, 270328091490 is an apocalyptic number.
70328091490 is a deficient number, since it is larger than the sum of its proper divisors (56262473210).
70328091490 is a wasteful number, since it uses less digits than its factorization.
70328091490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7032809156.
The product of its (nonzero) digits is 108864, while the sum is 43.
The spelling of 70328091490 in words is "seventy billion, three hundred twenty-eight million, ninety-one thousand, four hundred ninety".
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