Base | Representation |
---|---|
bin | 100000101111010011… |
… | …0010100011001110001 |
3 | 20201110210020022200102 |
4 | 1001132212110121301 |
5 | 2122441441030311 |
6 | 52144242002145 |
7 | 5036156033063 |
oct | 1013646243161 |
9 | 221423208612 |
10 | 70306580081 |
11 | 278a9260241 |
12 | 11761646355 |
13 | 6825b0a49a |
14 | 358d61d733 |
15 | 1c674be43b |
hex | 105e994671 |
70306580081 has 8 divisors (see below), whose sum is σ = 70850723328. Its totient is φ = 69762550000.
The previous prime is 70306580063. The next prime is 70306580087. The reversal of 70306580081 is 18008560307.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70306580081 is a prime.
It is a super-2 number, since 2×703065800812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70306580087) 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 7 ways as a sum of consecutive naturals, for example, 1563056 + ... + 1607406.
It is an arithmetic number, because the mean of its divisors is an integer number (8856340416).
Almost surely, 270306580081 is an apocalyptic number.
It is an amenable number.
70306580081 is a deficient number, since it is larger than the sum of its proper divisors (544143247).
70306580081 is a wasteful number, since it uses less digits than its factorization.
70306580081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56583.
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 70306580081 in words is "seventy billion, three hundred six million, five hundred eighty thousand, eighty-one".
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