Base | Representation |
---|---|
bin | 100000101101011110… |
… | …1010101100110100011 |
3 | 20201022112022102000210 |
4 | 1001122331111212203 |
5 | 2122330322133233 |
6 | 52134220545203 |
7 | 5034514641651 |
oct | 1013275254643 |
9 | 221275272023 |
10 | 70245505443 |
11 | 27877835a33 |
12 | 117450b2203 |
13 | 6816275349 |
14 | 3585481dd1 |
15 | 1c61e58163 |
hex | 105af559a3 |
70245505443 has 16 divisors (see below), whose sum is σ = 95313677312. Its totient is φ = 46005732000.
The previous prime is 70245505441. The next prime is 70245505489. The reversal of 70245505443 is 34450554207.
It is not a de Polignac number, because 70245505443 - 21 = 70245505441 is a prime.
It is a super-3 number, since 3×702455054433 (a number of 34 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70245505441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88243 + ... + 385068.
It is an arithmetic number, because the mean of its divisors is an integer number (5957104832).
Almost surely, 270245505443 is an apocalyptic number.
70245505443 is a deficient number, since it is larger than the sum of its proper divisors (25068171869).
70245505443 is a wasteful number, since it uses less digits than its factorization.
70245505443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474186.
The product of its (nonzero) digits is 336000, while the sum is 39.
The spelling of 70245505443 in words is "seventy billion, two hundred forty-five million, five hundred five thousand, four hundred forty-three".
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