Base | Representation |
---|---|
bin | 1100000010110… |
… | …01000100001001 |
3 | 21001002202111200 |
4 | 12001121010021 |
5 | 201330344410 |
6 | 14005214413 |
7 | 2334503403 |
oct | 601310411 |
9 | 231082450 |
10 | 101028105 |
11 | 52033a02 |
12 | 29a01409 |
13 | 17c13759 |
14 | d5bbb73 |
15 | 8d093c0 |
hex | 6059109 |
101028105 has 24 divisors (see below), whose sum is σ = 175351488. Its totient is φ = 53809056.
The previous prime is 101028097. The next prime is 101028157. The reversal of 101028105 is 501820101.
It is not a de Polignac number, because 101028105 - 23 = 101028097 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57774 + ... + 59496.
It is an arithmetic number, because the mean of its divisors is an integer number (7306312).
Almost surely, 2101028105 is an apocalyptic number.
101028105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
101028105 is a deficient number, since it is larger than the sum of its proper divisors (74323383).
101028105 is a wasteful number, since it uses less digits than its factorization.
101028105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3037 (or 3034 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 18.
The square root of 101028105 is about 10051.2737998723. The cubic root of 101028105 is about 465.7441432272.
Adding to 101028105 its reverse (501820101), we get a palindrome (602848206).
The spelling of 101028105 in words is "one hundred one million, twenty-eight thousand, one hundred five".
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