Base | Representation |
---|---|
bin | 100101010001101001… |
… | …0001111100101100001 |
3 | 21122121202002102201012 |
4 | 1022203102033211201 |
5 | 2302420003124334 |
6 | 100435101150305 |
7 | 5532454152542 |
oct | 1124322174541 |
9 | 248552072635 |
10 | 80048879969 |
11 | 30a48562353 |
12 | 1362025b395 |
13 | 77192ba486 |
14 | 3c354604c9 |
15 | 21379269ce |
hex | 12a348f961 |
80048879969 has 2 divisors, whose sum is σ = 80048879970. Its totient is φ = 80048879968.
The previous prime is 80048879959. The next prime is 80048880007. The reversal of 80048879969 is 96997884008.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 78238802944 + 1810077025 = 279712^2 + 42545^2 .
It is a cyclic number.
It is not a de Polignac number, because 80048879969 - 212 = 80048875873 is a prime.
It is a super-2 number, since 2×800488799692 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80048879899 and 80048879908.
It is not a weakly prime, because it can be changed into another prime (80048879959) 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 as a sum of consecutive naturals, namely, 40024439984 + 40024439985.
It is an arithmetic number, because the mean of its divisors is an integer number (40024439985).
Almost surely, 280048879969 is an apocalyptic number.
It is an amenable number.
80048879969 is a deficient number, since it is larger than the sum of its proper divisors (1).
80048879969 is an equidigital number, since it uses as much as digits as its factorization.
80048879969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 62705664, while the sum is 68.
The spelling of 80048879969 in words is "eighty billion, forty-eight million, eight hundred seventy-nine thousand, nine hundred sixty-nine".
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