Base | Representation |
---|---|
bin | 11111010100100100011110… |
… | …10001110000100010000000 |
3 | 100000212112021122221120201100 |
4 | 33222102033101300202000 |
5 | 33011433032313341101 |
6 | 402253232121334400 |
7 | 20336106601516530 |
oct | 1752221721604200 |
9 | 300775248846640 |
10 | 68876499355776 |
11 | 1aa453a5309312 |
12 | 7884888337400 |
13 | 2c580452201b8 |
14 | 13018d71cb4c0 |
15 | 7e6980ce0e86 |
hex | 3ea48f470880 |
68876499355776 has 384 divisors, whose sum is σ = 229706045712000. Its totient is φ = 19403255808000.
The previous prime is 68876499355679. The next prime is 68876499355831. The reversal of 68876499355776 is 67755399467886.
68876499355776 is a `hidden beast` number, since 6 + 8 + 8 + 7 + 6 + 49 + 9 + 3 + 557 + 7 + 6 = 666.
68876499355776 is digitally balanced in base 3, 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 (384).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196110375 + ... + 196461273.
It is an arithmetic number, because the mean of its divisors is an integer number (598192827375).
Almost surely, 268876499355776 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68876499355776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114853022856000).
68876499355776 is an abundant number, since it is smaller than the sum of its proper divisors (160829546356224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68876499355776 is a wasteful number, since it uses less digits than its factorization.
68876499355776 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351268 (or 351253 counting only the distinct ones).
The product of its digits is 115221657600, while the sum is 90.
The spelling of 68876499355776 in words is "sixty-eight trillion, eight hundred seventy-six billion, four hundred ninety-nine million, three hundred fifty-five thousand, seven hundred seventy-six".
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