Base | Representation |
---|---|
bin | 101111000100000110… |
… | …1001011111100100001 |
3 | 100122212200220210110210 |
4 | 1132020031023330201 |
5 | 3123442231442420 |
6 | 114233004044333 |
7 | 10205410530132 |
oct | 1361015137441 |
9 | 318780823423 |
10 | 101069405985 |
11 | 399550546a9 |
12 | 17707b336a9 |
13 | 96b923ac52 |
14 | 4c6b0b7c89 |
15 | 296807a9e0 |
hex | 178834bf21 |
101069405985 has 16 divisors (see below), whose sum is σ = 161732771136. Its totient is φ = 53896442688.
The previous prime is 101069405917. The next prime is 101069405993. The reversal of 101069405985 is 589504960101.
It is not a de Polignac number, because 101069405985 - 212 = 101069401889 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336174 + ... + 561383.
It is an arithmetic number, because the mean of its divisors is an integer number (10108298196).
Almost surely, 2101069405985 is an apocalyptic number.
101069405985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
101069405985 is a deficient number, since it is larger than the sum of its proper divisors (60663365151).
101069405985 is an equidigital number, since it uses as much as digits as its factorization.
101069405985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 905072.
The product of its (nonzero) digits is 388800, while the sum is 48.
The spelling of 101069405985 in words is "one hundred one billion, sixty-nine million, four hundred five thousand, nine hundred eighty-five".
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