Base | Representation |
---|---|
bin | 111111110000001000… |
… | …111111000000010000 |
3 | 20112200122010211201100 |
4 | 333300020333000100 |
5 | 2110143032141441 |
6 | 51240321504400 |
7 | 4642224161352 |
oct | 776010770020 |
9 | 215618124640 |
10 | 68453396496 |
11 | 27038180a61 |
12 | 11324aa2100 |
13 | 65bbbb8c54 |
14 | 34554610d2 |
15 | 1ba995ccb6 |
hex | ff023f010 |
68453396496 has 45 divisors (see below), whose sum is σ = 191583223039. Its totient is φ = 22816752288.
The previous prime is 68453396461. The next prime is 68453396497. The reversal of 68453396496 is 69469335486.
It is a happy number.
The square root of 68453396496 is 261636.
It is a perfect power (a square), and thus also a powerful number.
68453396496 is a `hidden beast` number, since 6 + 8 + 4 + 53 + 3 + 96 + 496 = 666.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68453396497) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3128731 + ... + 3150533.
Almost surely, 268453396496 is an apocalyptic number.
68453396496 is the 261636-th square number.
It is an amenable number.
68453396496 is an abundant number, since it is smaller than the sum of its proper divisors (123129826543).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68453396496 is an frugal number, since it uses more digits than its factorization.
68453396496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43620 (or 21808 counting only the distinct ones).
The product of its digits is 100776960, while the sum is 63.
The spelling of 68453396496 in words is "sixty-eight billion, four hundred fifty-three million, three hundred ninety-six thousand, four hundred ninety-six".
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