Base | Representation |
---|---|
bin | 11111000110000100111100… |
… | …11010101010010001011100 |
3 | 22222002220221211012002202020 |
4 | 33203002132122222101130 |
5 | 32430303221002010330 |
6 | 401232355531100140 |
7 | 20255120615525016 |
oct | 1743023632522134 |
9 | 288086854162666 |
10 | 68378537141340 |
11 | 1a8731a1656318 |
12 | 78042758a1650 |
13 | 2c200b73193ca |
14 | 12c577889b1b6 |
15 | 7d8a39036210 |
hex | 3e309e6aa45c |
68378537141340 has 96 divisors (see below), whose sum is σ = 201541214327040. Its totient is φ = 17274194380800.
The previous prime is 68378537141333. The next prime is 68378537141357. The reversal of 68378537141340 is 4314173587386.
68378537141340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×683785371413402 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52585420 + ... + 53870060.
It is an arithmetic number, because the mean of its divisors is an integer number (2099387649240).
Almost surely, 268378537141340 is an apocalyptic number.
68378537141340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68378537141340 is an abundant number, since it is smaller than the sum of its proper divisors (133162677185700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68378537141340 is a wasteful number, since it uses less digits than its factorization.
68378537141340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1331363 (or 1331361 counting only the distinct ones).
The product of its (nonzero) digits is 40642560, while the sum is 60.
The spelling of 68378537141340 in words is "sixty-eight trillion, three hundred seventy-eight billion, five hundred thirty-seven million, one hundred forty-one thousand, three hundred forty".
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