Base | Representation |
---|---|
bin | 11111000101110010001101… |
… | …01010000011001100100000 |
3 | 22222001221222120012112110110 |
4 | 33202321012222003030200 |
5 | 32430122114030032414 |
6 | 401224013241131320 |
7 | 20254313353445655 |
oct | 1742710652031440 |
9 | 288057876175413 |
10 | 68368474845984 |
11 | 1a8699a8762945 |
12 | 7802327a89b40 |
13 | 2c1c17275a2a1 |
14 | 12c50a235dc2c |
15 | 7d864a970459 |
hex | 3e2e46a83320 |
68368474845984 has 96 divisors (see below), whose sum is σ = 187594732080000. Its totient is φ = 21760864468992.
The previous prime is 68368474845901. The next prime is 68368474846037. The reversal of 68368474845984 is 48954847486386.
It is a happy number.
68368474845984 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a junction number, because it is equal to n+sod(n) for n = 68368474845897 and 68368474845906.
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, 25557859 + ... + 28105890.
It is an arithmetic number, because the mean of its divisors is an integer number (1954111792500).
Almost surely, 268368474845984 is an apocalyptic number.
It is an amenable number.
68368474845984 is an abundant number, since it is smaller than the sum of its proper divisors (119226257234016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68368474845984 is a wasteful number, since it uses less digits than its factorization.
68368474845984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53664362 (or 53664354 counting only the distinct ones).
The product of its digits is 35672555520, while the sum is 84.
The spelling of 68368474845984 in words is "sixty-eight trillion, three hundred sixty-eight billion, four hundred seventy-four million, eight hundred forty-five thousand, nine hundred eighty-four".
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