Base | Representation |
---|---|
bin | 10001110010100111100001… |
… | …101111110100101010100100 |
3 | 101021001011112222120011211001 |
4 | 101302213201233310222210 |
5 | 40223432140400010231 |
6 | 434225203544523044 |
7 | 22324013106512341 |
oct | 2162474157645244 |
9 | 337034488504731 |
10 | 78245206641316 |
11 | 22a27673334250 |
12 | 8938541480484 |
13 | 348765059c320 |
14 | 15471340857c8 |
15 | 90a50da3ab61 |
hex | 4729e1bf4aa4 |
78245206641316 has 48 divisors (see below), whose sum is σ = 160962788847168. Its totient is φ = 32810764521600.
The previous prime is 78245206641311. The next prime is 78245206641341. The reversal of 78245206641316 is 61314660254287.
It is a super-2 number, since 2×782452066413162 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (78245206641311) 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, 39430990 + ... + 41367781.
It is an arithmetic number, because the mean of its divisors is an integer number (3353391434316).
Almost surely, 278245206641316 is an apocalyptic number.
It is an amenable number.
78245206641316 is an abundant number, since it is smaller than the sum of its proper divisors (82717582205852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78245206641316 is a wasteful number, since it uses less digits than its factorization.
78245206641316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80800492 (or 80800490 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 55.
The spelling of 78245206641316 in words is "seventy-eight trillion, two hundred forty-five billion, two hundred six million, six hundred forty-one thousand, three hundred sixteen".
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