Base | Representation |
---|---|
bin | 100101000011111101… |
… | …1001011110101111101 |
3 | 21121102202100022122111 |
4 | 1022013323023311331 |
5 | 2301000000203433 |
6 | 100321342414021 |
7 | 5515211365306 |
oct | 1120773136575 |
9 | 247382308574 |
10 | 79589850493 |
11 | 3083243974a |
12 | 13512591311 |
13 | 767517b8ba |
14 | 3bd04d17ad |
15 | 210c4a2dcd |
hex | 1287ecbd7d |
79589850493 has 2 divisors, whose sum is σ = 79589850494. Its totient is φ = 79589850492.
The previous prime is 79589850413. The next prime is 79589850497. The reversal of 79589850493 is 39405898597.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 67046298489 + 12543552004 = 258933^2 + 111998^2 .
It is a cyclic number.
It is not a de Polignac number, because 79589850493 - 213 = 79589842301 is a prime.
It is a super-3 number, since 3×795898504933 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (79589850497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39794925246 + 39794925247.
It is an arithmetic number, because the mean of its divisors is an integer number (39794925247).
Almost surely, 279589850493 is an apocalyptic number.
It is an amenable number.
79589850493 is a deficient number, since it is larger than the sum of its proper divisors (1).
79589850493 is an equidigital number, since it uses as much as digits as its factorization.
79589850493 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 97977600, while the sum is 67.
It can be divided in two parts, 795898504 and 93, that added together give a palindrome (795898597).
The spelling of 79589850493 in words is "seventy-nine billion, five hundred eighty-nine million, eight hundred fifty thousand, four hundred ninety-three".
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