Base | Representation |
---|---|
bin | 100000001000010001… |
… | …1000011001101110001 |
3 | 20121002112012212021000 |
4 | 1000100203003031301 |
5 | 2112301224203101 |
6 | 51410303152213 |
7 | 4661545451055 |
oct | 1002043031561 |
9 | 217075185230 |
10 | 68997100401 |
11 | 27297078829 |
12 | 11456ba5669 |
13 | 6677733738 |
14 | 34a7751c65 |
15 | 1bdc55a486 |
hex | 10108c3371 |
68997100401 has 16 divisors (see below), whose sum is σ = 102254846400. Its totient is φ = 45981453024.
The previous prime is 68997100349. The next prime is 68997100421. The reversal of 68997100401 is 10400179986.
It is a happy number.
It is not a de Polignac number, because 68997100401 - 27 = 68997100273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68997100421) 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, 385131 + ... + 535088.
It is an arithmetic number, because the mean of its divisors is an integer number (6390927900).
Almost surely, 268997100401 is an apocalyptic number.
It is an amenable number.
68997100401 is a deficient number, since it is larger than the sum of its proper divisors (33257745999).
68997100401 is a wasteful number, since it uses less digits than its factorization.
68997100401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 923005 (or 922999 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The spelling of 68997100401 in words is "sixty-eight billion, nine hundred ninety-seven million, one hundred thousand, four hundred one".
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