Base | Representation |
---|---|
bin | 111111110010100110… |
… | …001000100011001011 |
3 | 20112210111122210121021 |
4 | 333302212020203023 |
5 | 2110234103422303 |
6 | 51244352453311 |
7 | 4643234266432 |
oct | 776246104313 |
9 | 215714583537 |
10 | 68494592203 |
11 | 270594589a4 |
12 | 1133684a237 |
13 | 65c75b0acb |
14 | 345ab06119 |
15 | 1bad398ebd |
hex | ff29888cb |
68494592203 has 32 divisors (see below), whose sum is σ = 78051824640. Its totient is φ = 59706616320.
The previous prime is 68494592197. The next prime is 68494592209. The reversal of 68494592203 is 30229549486.
It is an interprime number because it is at equal distance from previous prime (68494592197) and next prime (68494592209).
It is a cyclic number.
It is not a de Polignac number, because 68494592203 - 217 = 68494461131 is a prime.
It is a super-2 number, since 2×684945922032 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68494592209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17775025 + ... + 17778877.
It is an arithmetic number, because the mean of its divisors is an integer number (2439119520).
Almost surely, 268494592203 is an apocalyptic number.
68494592203 is a deficient number, since it is larger than the sum of its proper divisors (9557232437).
68494592203 is a wasteful number, since it uses less digits than its factorization.
68494592203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5107.
The product of its (nonzero) digits is 3732480, while the sum is 52.
The spelling of 68494592203 in words is "sixty-eight billion, four hundred ninety-four million, five hundred ninety-two thousand, two hundred three".
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