Base | Representation |
---|---|
bin | 100000101101100010… |
… | …0011101001011100101 |
3 | 20201022122211012202202 |
4 | 1001123010131023211 |
5 | 2122331311341433 |
6 | 52134324544245 |
7 | 5034536543225 |
oct | 1013304351345 |
9 | 221278735682 |
10 | 70247371493 |
11 | 2787889aa22 |
12 | 11745852085 |
13 | 6816779810 |
14 | 358580a085 |
15 | 1c621c5ee8 |
hex | 105b11d2e5 |
70247371493 has 4 divisors (see below), whose sum is σ = 75651015468. Its totient is φ = 64843727520.
The previous prime is 70247371417. The next prime is 70247371511. The reversal of 70247371493 is 39417374207.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34939834084 + 35307537409 = 186922^2 + 187903^2 .
It is not a de Polignac number, because 70247371493 - 214 = 70247355109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70247371093) 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, 2701821968 + ... + 2701821993.
It is an arithmetic number, because the mean of its divisors is an integer number (18912753867).
Almost surely, 270247371493 is an apocalyptic number.
It is an amenable number.
70247371493 is a deficient number, since it is larger than the sum of its proper divisors (5403643975).
70247371493 is a wasteful number, since it uses less digits than its factorization.
70247371493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5403643974.
The product of its (nonzero) digits is 889056, while the sum is 47.
The spelling of 70247371493 in words is "seventy billion, two hundred forty-seven million, three hundred seventy-one thousand, four hundred ninety-three".
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