Base | Representation |
---|---|
bin | 100101001000100111… |
… | …0110011011101000010 |
3 | 21121211122010221121121 |
4 | 1022101032303131002 |
5 | 2301304433112133 |
6 | 100345041142454 |
7 | 5522115501025 |
oct | 1122116633502 |
9 | 247748127547 |
10 | 79745988418 |
11 | 30902593458 |
12 | 1355692aa2a |
13 | 769b6194c5 |
14 | 3c071371bc |
15 | 211b04602d |
hex | 12913b3742 |
79745988418 has 16 divisors (see below), whose sum is σ = 120285285120. Its totient is φ = 39651427936.
The previous prime is 79745988407. The next prime is 79745988431. The reversal of 79745988418 is 81488954797.
It is an unprimeable number.
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, 166071 + ... + 432517.
It is an arithmetic number, because the mean of its divisors is an integer number (7517830320).
Almost surely, 279745988418 is an apocalyptic number.
79745988418 is a deficient number, since it is larger than the sum of its proper divisors (40539296702).
79745988418 is a wasteful number, since it uses less digits than its factorization.
79745988418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267281.
The product of its digits is 162570240, while the sum is 70.
The spelling of 79745988418 in words is "seventy-nine billion, seven hundred forty-five million, nine hundred eighty-eight thousand, four hundred eighteen".
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