Base | Representation |
---|---|
bin | 100100011000100010… |
… | …0100011000010100110 |
3 | 21110200012102202010202 |
4 | 1020301010203002212 |
5 | 2240003431441024 |
6 | 55521010350502 |
7 | 5434125611264 |
oct | 1106104430246 |
9 | 243605382122 |
10 | 78132687014 |
11 | 30154957208 |
12 | 1318658b432 |
13 | 74a23072a5 |
14 | 3ad2b7d434 |
15 | 20745babae |
hex | 12311230a6 |
78132687014 has 8 divisors (see below), whose sum is σ = 117200226360. Its totient is φ = 39065944896.
The previous prime is 78132687001. The next prime is 78132687041. The reversal of 78132687014 is 41078623187.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×781326870142 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 78132687014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234902 + ... + 459830.
It is an arithmetic number, because the mean of its divisors is an integer number (14650028295).
Almost surely, 278132687014 is an apocalyptic number.
78132687014 is a deficient number, since it is larger than the sum of its proper divisors (39067539346).
78132687014 is a wasteful number, since it uses less digits than its factorization.
78132687014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398614.
The product of its (nonzero) digits is 451584, while the sum is 47.
The spelling of 78132687014 in words is "seventy-eight billion, one hundred thirty-two million, six hundred eighty-seven thousand, fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •