Base | Representation |
---|---|
bin | 100101001000001110… |
… | …0110000100001000101 |
3 | 21121210201110102102020 |
4 | 1022100130300201011 |
5 | 2301243103303224 |
6 | 100343452033353 |
7 | 5521566130401 |
oct | 1122034604105 |
9 | 247721412366 |
10 | 79732869189 |
11 | 308a6142816 |
12 | 13552462859 |
13 | 76989a4c4c |
14 | 3c054c0101 |
15 | 2119d03c79 |
hex | 1290730845 |
79732869189 has 8 divisors (see below), whose sum is σ = 106714715712. Its totient is φ = 52953134400.
The previous prime is 79732869137. The next prime is 79732869199. The reversal of 79732869189 is 98196823797.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 79732869189 - 28 = 79732868933 is a prime.
It is a super-2 number, since 2×797328691892 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79732869199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50527012 + ... + 50528589.
It is an arithmetic number, because the mean of its divisors is an integer number (13339339464).
Almost surely, 279732869189 is an apocalyptic number.
It is an amenable number.
79732869189 is a deficient number, since it is larger than the sum of its proper divisors (26981846523).
79732869189 is a wasteful number, since it uses less digits than its factorization.
79732869189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101055867.
The product of its digits is 82301184, while the sum is 69.
The spelling of 79732869189 in words is "seventy-nine billion, seven hundred thirty-two million, eight hundred sixty-nine thousand, one hundred eighty-nine".
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