Base | Representation |
---|---|
bin | 1000001101110… |
… | …00111011010011 |
3 | 11210200020110200 |
4 | 10012320323103 |
5 | 120120234044 |
6 | 10501030243 |
7 | 1464524034 |
oct | 406707323 |
9 | 153606420 |
10 | 68914899 |
11 | 3599a869 |
12 | 1b0b5383 |
13 | 1137b961 |
14 | 921ca8b |
15 | 60b4369 |
hex | 41b8ed3 |
68914899 has 12 divisors (see below), whose sum is σ = 100329216. Its totient is φ = 45580752.
The previous prime is 68914897. The next prime is 68914907. The reversal of 68914899 is 99841986.
It is not a de Polignac number, because 68914899 - 21 = 68914897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68914897) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29004 + ... + 31289.
It is an arithmetic number, because the mean of its divisors is an integer number (8360768).
Almost surely, 268914899 is an apocalyptic number.
68914899 is a deficient number, since it is larger than the sum of its proper divisors (31414317).
68914899 is a wasteful number, since it uses less digits than its factorization.
68914899 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60426 (or 60423 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 54.
The square root of 68914899 is about 8301.4998042522. The cubic root of 68914899 is about 409.9879016854.
The spelling of 68914899 in words is "sixty-eight million, nine hundred fourteen thousand, eight hundred ninety-nine".
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