Base | Representation |
---|---|
bin | 10001111011111101111110… |
… | …101000100000000110110000 |
3 | 101100022121011122101200112101 |
4 | 101323331332220200012300 |
5 | 40314444142422401422 |
6 | 435440314440110144 |
7 | 22421311643404003 |
oct | 2173757650400660 |
9 | 340277148350471 |
10 | 78887788872112 |
11 | 2315513a244020 |
12 | 8a20b94a65354 |
13 | 35031182700ac |
14 | 156a29183153a |
15 | 91c0bbe10c27 |
hex | 47bf7ea201b0 |
78887788872112 has 80 divisors (see below), whose sum is σ = 167815770031872. Its totient is φ = 35626795925760.
The previous prime is 78887788872103. The next prime is 78887788872127. The reversal of 78887788872112 is 21127888778887.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360294733 + ... + 360513619.
Almost surely, 278887788872112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78887788872112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83907885015936).
78887788872112 is an abundant number, since it is smaller than the sum of its proper divisors (88927981159760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78887788872112 is a wasteful number, since it uses less digits than its factorization.
78887788872112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232106 (or 232100 counting only the distinct ones).
The product of its digits is 2517630976, while the sum is 82.
The spelling of 78887788872112 in words is "seventy-eight trillion, eight hundred eighty-seven billion, seven hundred eighty-eight million, eight hundred seventy-two thousand, one hundred twelve".
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