Base | Representation |
---|---|
bin | 1000000111010… |
… | …10001011111111 |
3 | 11202002012212120 |
4 | 10003222023333 |
5 | 114411134340 |
6 | 10430534023 |
7 | 1454366154 |
oct | 403521377 |
9 | 152065776 |
10 | 68068095 |
11 | 35471627 |
12 | 1a967313 |
13 | 111433a4 |
14 | 907c22b |
15 | 5e984d0 |
hex | 40ea2ff |
68068095 has 16 divisors (see below), whose sum is σ = 112422912. Its totient is φ = 35131680.
The previous prime is 68068093. The next prime is 68068103. The reversal of 68068095 is 59086086.
It is not a de Polignac number, because 68068095 - 21 = 68068093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68068093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72727 + ... + 73656.
It is an arithmetic number, because the mean of its divisors is an integer number (7026432).
Almost surely, 268068095 is an apocalyptic number.
68068095 is a deficient number, since it is larger than the sum of its proper divisors (44354817).
68068095 is a wasteful number, since it uses less digits than its factorization.
68068095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146422.
The product of its (nonzero) digits is 103680, while the sum is 42.
The square root of 68068095 is about 8250.3390839407. The cubic root of 68068095 is about 408.3017099856.
Subtracting from 68068095 its reverse (59086086), we obtain a square (8982009 = 29972).
The spelling of 68068095 in words is "sixty-eight million, sixty-eight thousand, ninety-five".
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