Base | Representation |
---|---|
bin | 10001110101110111011011… |
… | …100001010100001100000010 |
3 | 101021211111202112101212112210 |
4 | 101311313123201110030002 |
5 | 40241111331230134440 |
6 | 434515523124402550 |
7 | 22346105051005062 |
oct | 2165673341241402 |
9 | 337744675355483 |
10 | 78468440474370 |
11 | 23003307a86071 |
12 | 8973861b46456 |
13 | 34a270824c4bb |
14 | 1553c6db233a2 |
15 | 911226aada80 |
hex | 475ddb854302 |
78468440474370 has 64 divisors (see below), whose sum is σ = 188370020240640. Its totient is φ = 20919833426688.
The previous prime is 78468440474267. The next prime is 78468440474371. The reversal of 78468440474370 is 7347404486487.
It is not an unprimeable number, because it can be changed into a prime (78468440474371) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2829411024 + ... + 2829438756.
It is an arithmetic number, because the mean of its divisors is an integer number (2943281566260).
Almost surely, 278468440474370 is an apocalyptic number.
78468440474370 is an abundant number, since it is smaller than the sum of its proper divisors (109901579766270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78468440474370 is a wasteful number, since it uses less digits than its factorization.
78468440474370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47259.
The product of its (nonzero) digits is 404619264, while the sum is 66.
The spelling of 78468440474370 in words is "seventy-eight trillion, four hundred sixty-eight billion, four hundred forty million, four hundred seventy-four thousand, three hundred seventy".
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