Base | Representation |
---|---|
bin | 11111000101001100101110… |
… | …11011111000110111011111 |
3 | 22222000001001101122020200000 |
4 | 33202212113123320313133 |
5 | 32424304412421023204 |
6 | 401210445000305343 |
7 | 20253001646640426 |
oct | 1742462733706737 |
9 | 288001041566600 |
10 | 68348355251679 |
11 | 1a861413779958 |
12 | 77ba451a72253 |
13 | 2c1a2b736b2b9 |
14 | 12c41142262bd |
15 | 7d7d6e47e039 |
hex | 3e29976f8ddf |
68348355251679 has 96 divisors (see below), whose sum is σ = 106678710028800. Its totient is φ = 43691706685440.
The previous prime is 68348355251653. The next prime is 68348355251741. The reversal of 68348355251679 is 97615255384386.
68348355251679 is a `hidden beast` number, since 6 + 8 + 3 + 4 + 8 + 3 + 552 + 5 + 1 + 67 + 9 = 666.
It is not a de Polignac number, because 68348355251679 - 211 = 68348355249631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68348355251639) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3931899222 + ... + 3931916604.
It is an arithmetic number, because the mean of its divisors is an integer number (1111236562800).
Almost surely, 268348355251679 is an apocalyptic number.
68348355251679 is a deficient number, since it is larger than the sum of its proper divisors (38330354777121).
68348355251679 is a wasteful number, since it uses less digits than its factorization.
68348355251679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24187 (or 24175 counting only the distinct ones).
The product of its digits is 1306368000, while the sum is 72.
The spelling of 68348355251679 in words is "sixty-eight trillion, three hundred forty-eight billion, three hundred fifty-five million, two hundred fifty-one thousand, six hundred seventy-nine".
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