Base | Representation |
---|---|
bin | 100100100000000000… |
… | …0110101010110101111 |
3 | 21111022200010211212120 |
4 | 1021000000311112233 |
5 | 2241012120343240 |
6 | 100001523404023 |
7 | 5443261444356 |
oct | 1110000652657 |
9 | 244280124776 |
10 | 78383371695 |
11 | 30273408332 |
12 | 13236523613 |
13 | 7512229515 |
14 | 3b1819699d |
15 | 208b5d7ad0 |
hex | 12400355af |
78383371695 has 16 divisors (see below), whose sum is σ = 126070013952. Its totient is φ = 41585591840.
The previous prime is 78383371631. The next prime is 78383371813. The reversal of 78383371695 is 59617338387.
It is not a de Polignac number, because 78383371695 - 26 = 78383371631 is a prime.
It is a super-2 number, since 2×783833716952 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13676607 + ... + 13682336.
It is an arithmetic number, because the mean of its divisors is an integer number (7879375872).
Almost surely, 278383371695 is an apocalyptic number.
78383371695 is a deficient number, since it is larger than the sum of its proper divisors (47686642257).
78383371695 is a wasteful number, since it uses less digits than its factorization.
78383371695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27359142.
The product of its digits is 22861440, while the sum is 60.
The spelling of 78383371695 in words is "seventy-eight billion, three hundred eighty-three million, three hundred seventy-one thousand, six hundred ninety-five".
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