Base | Representation |
---|---|
bin | 100000100111000110… |
… | …0110000010110010001 |
3 | 20200202121111221000221 |
4 | 1001032030300112101 |
5 | 2121411022141340 |
6 | 52101052513041 |
7 | 5026305306133 |
oct | 1011614602621 |
9 | 220677457027 |
10 | 70031443345 |
11 | 27777a18a06 |
12 | 116a547b781 |
13 | 67b0b06596 |
14 | 3564c7d053 |
15 | 1c4d27244a |
hex | 104e330591 |
70031443345 has 8 divisors (see below), whose sum is σ = 84324551976. Its totient is φ = 55833941376.
The previous prime is 70031443337. The next prime is 70031443369. The reversal of 70031443345 is 54334413007.
It can be written as a sum of positive squares in 4 ways, for example, as 11315853376 + 58715589969 = 106376^2 + 242313^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70031443345 - 23 = 70031443337 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70031443345.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23900052 + ... + 23902981.
It is an arithmetic number, because the mean of its divisors is an integer number (10540568997).
Almost surely, 270031443345 is an apocalyptic number.
It is an amenable number.
70031443345 is a deficient number, since it is larger than the sum of its proper divisors (14293108631).
70031443345 is a wasteful number, since it uses less digits than its factorization.
70031443345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47803331.
The product of its (nonzero) digits is 60480, while the sum is 34.
The spelling of 70031443345 in words is "seventy billion, thirty-one million, four hundred forty-three thousand, three hundred forty-five".
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