Base | Representation |
---|---|
bin | 100101010010010001… |
… | …0011000000101000110 |
3 | 21122200012121122221122 |
4 | 1022210202120011012 |
5 | 2302440342330103 |
6 | 100441131313542 |
7 | 5533130542454 |
oct | 1124442300506 |
9 | 248605548848 |
10 | 80069886278 |
11 | 30a593aa738 |
12 | 136272ab8b2 |
13 | 7720763945 |
14 | 3c3816b9d4 |
15 | 21396c5b38 |
hex | 12a4898146 |
80069886278 has 16 divisors (see below), whose sum is σ = 120737022336. Its totient is φ = 39824491200.
The previous prime is 80069886257. The next prime is 80069886289. The reversal of 80069886278 is 87268896008.
It is a super-2 number, since 2×800698862782 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80069886278.
It is a congruent number.
It is an unprimeable number.
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, 511250 + ... + 649242.
It is an arithmetic number, because the mean of its divisors is an integer number (7546063896).
Almost surely, 280069886278 is an apocalyptic number.
80069886278 is a deficient number, since it is larger than the sum of its proper divisors (40667136058).
80069886278 is a wasteful number, since it uses less digits than its factorization.
80069886278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139519.
The product of its (nonzero) digits is 18579456, while the sum is 62.
The spelling of 80069886278 in words is "eighty billion, sixty-nine million, eight hundred eighty-six thousand, two hundred seventy-eight".
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