Base | Representation |
---|---|
bin | 100110010010111001110101… |
… | …100011000111011001101000 |
3 | 211002100020220021021110012110 |
4 | 212102321311203013121220 |
5 | 134033433012314404333 |
6 | 1354113143301242320 |
7 | 50322202020062640 |
oct | 4622716543073150 |
9 | 732306807243173 |
10 | 168424819684968 |
11 | 49735623982550 |
12 | 16a81a374033a0 |
13 | 72c9513ca8a32 |
14 | 2d83b3a3d7520 |
15 | 14711b1b37063 |
hex | 992e758c7668 |
168424819684968 has 128 divisors (see below), whose sum is σ = 525180784619520. Its totient is φ = 43728347439360.
The previous prime is 168424819684873. The next prime is 168424819685011. The reversal of 168424819684968 is 869486918424861.
168424819684968 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1684248196849683 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (84).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14718955 + ... + 23526522.
It is an arithmetic number, because the mean of its divisors is an integer number (4102974879840).
Almost surely, 2168424819684968 is an apocalyptic number.
It is an amenable number.
168424819684968 is an abundant number, since it is smaller than the sum of its proper divisors (356755964934552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168424819684968 is a wasteful number, since it uses less digits than its factorization.
168424819684968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38247887 (or 38247883 counting only the distinct ones).
The product of its digits is 9172942848, while the sum is 84.
The spelling of 168424819684968 in words is "one hundred sixty-eight trillion, four hundred twenty-four billion, eight hundred nineteen million, six hundred eighty-four thousand, nine hundred sixty-eight".
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