Base | Representation |
---|---|
bin | 110001010000000011011… |
… | …1101010000000000111100 |
3 | 212222002221012211002200010 |
4 | 1202200012331100000330 |
5 | 1341400340201200142 |
6 | 22221343500103220 |
7 | 1266020522452140 |
oct | 142400675200074 |
9 | 25862835732603 |
10 | 6768985178172 |
11 | 217a78a736498 |
12 | 913a5b534b10 |
13 | 3a140a917999 |
14 | 195899021220 |
15 | bb1244e2e9c |
hex | 62806f5003c |
6768985178172 has 96 divisors (see below), whose sum is σ = 19628981019648. Its totient is φ = 1771035853824.
The previous prime is 6768985178063. The next prime is 6768985178173. The reversal of 6768985178172 is 2718715898676.
It is a super-3 number, since 3×67689851781723 (a number of 39 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 6768985178094 and 6768985178103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6768985178173) 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, 64003728 + ... + 64109399.
It is an arithmetic number, because the mean of its divisors is an integer number (204468552288).
Almost surely, 26768985178172 is an apocalyptic number.
It is an amenable number.
6768985178172 is an abundant number, since it is smaller than the sum of its proper divisors (12859995841476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6768985178172 is a wasteful number, since it uses less digits than its factorization.
6768985178172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128113195 (or 128113193 counting only the distinct ones).
The product of its digits is 568995840, while the sum is 75.
The spelling of 6768985178172 in words is "six trillion, seven hundred sixty-eight billion, nine hundred eighty-five million, one hundred seventy-eight thousand, one hundred seventy-two".
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