Base | Representation |
---|---|
bin | 100100101110111001… |
… | …0011010000010010000 |
3 | 21112121111002211110121 |
4 | 1021131302122002100 |
5 | 2243023011000011 |
6 | 100123250240024 |
7 | 5461535432350 |
oct | 1113562320220 |
9 | 245544084417 |
10 | 78882906256 |
11 | 304aa387010 |
12 | 13355886014 |
13 | 759187a7bb |
14 | 3b6466ab60 |
15 | 20ba3ace71 |
hex | 125dc9a090 |
78882906256 has 80 divisors (see below), whose sum is σ = 194979806208. Its totient is φ = 30018844800.
The previous prime is 78882906251. The next prime is 78882906257. The reversal of 78882906256 is 65260928887.
It is a junction number, because it is equal to n+sod(n) for n = 78882906194 and 78882906203.
It is not an unprimeable number, because it can be changed into a prime (78882906251) 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, 691540 + ... + 797491.
Almost surely, 278882906256 is an apocalyptic number.
It is an amenable number.
78882906256 is an abundant number, since it is smaller than the sum of its proper divisors (116096899952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78882906256 is a wasteful number, since it uses less digits than its factorization.
78882906256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1489100 (or 1489094 counting only the distinct ones).
The product of its (nonzero) digits is 23224320, while the sum is 61.
The spelling of 78882906256 in words is "seventy-eight billion, eight hundred eighty-two million, nine hundred six thousand, two hundred fifty-six".
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