Base | Representation |
---|---|
bin | 111001001001101111110… |
… | …0100000010101100010100 |
3 | 1000210221000001001221212212 |
4 | 1302103133210002230110 |
5 | 2012143414423000333 |
6 | 24412303100132552 |
7 | 1440334002505100 |
oct | 162233744025424 |
9 | 30727001057785 |
10 | 7854950984468 |
11 | 25592a2063a95 |
12 | a6a413237158 |
13 | 44c945ca1313 |
14 | 1d2278670900 |
15 | d94d2d59448 |
hex | 724df902b14 |
7854950984468 has 72 divisors (see below), whose sum is σ = 16511266162944. Its totient is φ = 3256825017600.
The previous prime is 7854950984467. The next prime is 7854950984501. The reversal of 7854950984468 is 8644890594587.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7854950984467) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19996028 + ... + 20385068.
It is an arithmetic number, because the mean of its divisors is an integer number (229323141152).
Almost surely, 27854950984468 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 7854950984468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255633081472).
7854950984468 is an abundant number, since it is smaller than the sum of its proper divisors (8656315178476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7854950984468 is a wasteful number, since it uses less digits than its factorization.
7854950984468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392413 (or 392404 counting only the distinct ones).
The product of its (nonzero) digits is 2786918400, while the sum is 77.
The spelling of 7854950984468 in words is "seven trillion, eight hundred fifty-four billion, nine hundred fifty million, nine hundred eighty-four thousand, four hundred sixty-eight".
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