Base | Representation |
---|---|
bin | 10001110001001010111110… |
… | …001111111011101011000001 |
3 | 101020200200001000220201221011 |
4 | 101301022332033323223001 |
5 | 40220320123132043131 |
6 | 434111410334400521 |
7 | 22313564303202214 |
oct | 2161127617735301 |
9 | 336620030821834 |
10 | 78145826831041 |
11 | 22999505a96942 |
12 | 8921227360141 |
13 | 347b173407068 |
14 | 15423c754577b |
15 | 907b43eab0b1 |
hex | 4712be3fbac1 |
78145826831041 has 8 divisors (see below), whose sum is σ = 80840797931520. Its totient is φ = 75450874891728.
The previous prime is 78145826831003. The next prime is 78145826831063. The reversal of 78145826831041 is 14013862854187.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78145826831041 - 243 = 69349733808833 is a prime.
It is a super-2 number, since 2×781458268310412 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78145826831141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766110 + ... + 13056616.
It is an arithmetic number, because the mean of its divisors is an integer number (10105099741440).
Almost surely, 278145826831041 is an apocalyptic number.
It is an amenable number.
78145826831041 is a deficient number, since it is larger than the sum of its proper divisors (2694971100479).
78145826831041 is a wasteful number, since it uses less digits than its factorization.
78145826831041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9580583.
The product of its (nonzero) digits is 10321920, while the sum is 58.
The spelling of 78145826831041 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred twenty-six million, eight hundred thirty-one thousand, forty-one".
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