Base | Representation |
---|---|
bin | 100101011110101010… |
… | …1001000011000001001 |
3 | 21200202012022112100022 |
4 | 1022331111020120021 |
5 | 2304313334010424 |
6 | 100550310550225 |
7 | 5546341250561 |
oct | 1127525103011 |
9 | 250665275308 |
10 | 80485844489 |
11 | 31152185256 |
12 | 13722668375 |
13 | 77889a1a6b |
14 | 3c774c7da1 |
15 | 2160e8c95e |
hex | 12bd548609 |
80485844489 has 8 divisors (see below), whose sum is σ = 84646533120. Its totient is φ = 76380264576.
The previous prime is 80485844479. The next prime is 80485844513. The reversal of 80485844489 is 98444858408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80485844489 is a prime.
It is a super-2 number, since 2×804858444892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80485844419) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13774184 + ... + 13780025.
It is an arithmetic number, because the mean of its divisors is an integer number (10580816640).
Almost surely, 280485844489 is an apocalyptic number.
It is an amenable number.
80485844489 is a deficient number, since it is larger than the sum of its proper divisors (4160688631).
80485844489 is a wasteful number, since it uses less digits than its factorization.
80485844489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27554359.
The product of its (nonzero) digits is 47185920, while the sum is 62.
The spelling of 80485844489 in words is "eighty billion, four hundred eighty-five million, eight hundred forty-four thousand, four hundred eighty-nine".
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