Base | Representation |
---|---|
bin | 100101011100100111… |
… | …0000100010000001001 |
3 | 21200120101112221221210 |
4 | 1022321032010100021 |
5 | 2304143210234341 |
6 | 100535404523333 |
7 | 5544543143016 |
oct | 1127116042011 |
9 | 250511487853 |
10 | 80416883721 |
11 | 31117263a89 |
12 | 13703550549 |
13 | 7777608285 |
14 | 3c6c29670d |
15 | 2159db9c16 |
hex | 12b9384409 |
80416883721 has 16 divisors (see below), whose sum is σ = 108027028800. Its totient is φ = 53209563840.
The previous prime is 80416883719. The next prime is 80416883749. The reversal of 80416883721 is 12738861408.
It is not a de Polignac number, because 80416883721 - 21 = 80416883719 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80416887721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503391 + ... + 643611.
It is an arithmetic number, because the mean of its divisors is an integer number (6751689300).
Almost surely, 280416883721 is an apocalyptic number.
It is an amenable number.
80416883721 is a deficient number, since it is larger than the sum of its proper divisors (27610145079).
80416883721 is a wasteful number, since it uses less digits than its factorization.
80416883721 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141656.
The product of its (nonzero) digits is 516096, while the sum is 48.
The spelling of 80416883721 in words is "eighty billion, four hundred sixteen million, eight hundred eighty-three thousand, seven hundred twenty-one".
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