Base | Representation |
---|---|
bin | 1000001101110… |
… | …00010101001111 |
3 | 11210200010010110 |
4 | 10012320111033 |
5 | 120120144323 |
6 | 10501011103 |
7 | 1464513654 |
oct | 406702517 |
9 | 153603113 |
10 | 68912463 |
11 | 35998a54 |
12 | 1b0b3a93 |
13 | 1137a809 |
14 | 921bc2b |
15 | 60b3793 |
hex | 41b854f |
68912463 has 16 divisors (see below), whose sum is σ = 94615136. Its totient is φ = 44582400.
The previous prime is 68912461. The next prime is 68912471. The reversal of 68912463 is 36421986.
It is not a de Polignac number, because 68912463 - 21 = 68912461 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68912461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66195 + ... + 67227.
It is an arithmetic number, because the mean of its divisors is an integer number (5913446).
Almost surely, 268912463 is an apocalyptic number.
68912463 is a deficient number, since it is larger than the sum of its proper divisors (25702673).
68912463 is a wasteful number, since it uses less digits than its factorization.
68912463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1674.
The product of its digits is 62208, while the sum is 39.
The square root of 68912463 is about 8301.3530824800. The cubic root of 68912463 is about 409.9830708854.
The spelling of 68912463 in words is "sixty-eight million, nine hundred twelve thousand, four hundred sixty-three".
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