Base | Representation |
---|---|
bin | 1000001101101… |
… | …10000100011111 |
3 | 11210122122102100 |
4 | 10012312010133 |
5 | 120114400244 |
6 | 10500500143 |
7 | 1464444651 |
oct | 406660437 |
9 | 153578370 |
10 | 68903199 |
11 | 35991aa2 |
12 | 1b0aa653 |
13 | 11376531 |
14 | 92186d1 |
15 | 60b0b69 |
hex | 41b611f |
68903199 has 12 divisors (see below), whose sum is σ = 99602776. Its totient is φ = 45900432.
The previous prime is 68903179. The next prime is 68903201. The reversal of 68903199 is 99130986.
It is not a de Polignac number, because 68903199 - 28 = 68902943 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 (68903179) 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 11 ways as a sum of consecutive naturals, for example, 15957 + ... + 19809.
Almost surely, 268903199 is an apocalyptic number.
68903199 is a deficient number, since it is larger than the sum of its proper divisors (30699577).
68903199 is a wasteful number, since it uses less digits than its factorization.
68903199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5846 (or 5843 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 45.
The square root of 68903199 is about 8300.7950824002. The cubic root of 68903199 is about 409.9646985271.
The spelling of 68903199 in words is "sixty-eight million, nine hundred three thousand, one hundred ninety-nine".
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