Base | Representation |
---|---|
bin | 1000001100000… |
… | …11111111010111 |
3 | 11210021020001000 |
4 | 10012003333113 |
5 | 120041314241 |
6 | 10452234343 |
7 | 1462631631 |
oct | 406037727 |
9 | 153236030 |
10 | 68698071 |
11 | 35861972 |
12 | 1b00b9b3 |
13 | 11304060 |
14 | 91a3a51 |
15 | 606eeb6 |
hex | 4183fd7 |
68698071 has 64 divisors (see below), whose sum is σ = 120355200. Its totient is φ = 38320128.
The previous prime is 68698051. The next prime is 68698073. The reversal of 68698071 is 17089686.
It is a happy number.
It is not a de Polignac number, because 68698071 - 25 = 68698039 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68698073) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172845 + ... + 173241.
It is an arithmetic number, because the mean of its divisors is an integer number (1880550).
Almost surely, 268698071 is an apocalyptic number.
68698071 is a deficient number, since it is larger than the sum of its proper divisors (51657129).
68698071 is a wasteful number, since it uses less digits than its factorization.
68698071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 465 (or 459 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 68698071 is about 8288.4299478249. The cubic root of 68698071 is about 409.5574662070.
The spelling of 68698071 in words is "sixty-eight million, six hundred ninety-eight thousand, seventy-one".
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