Base | Representation |
---|---|
bin | 101110101010110010… |
… | …1011000100011111101 |
3 | 100120200111211010220201 |
4 | 1131111211120203331 |
5 | 3120222322023401 |
6 | 114012424443501 |
7 | 10145355613555 |
oct | 1352545304375 |
9 | 316614733821 |
10 | 100220111101 |
11 | 39559704900 |
12 | 1750b619591 |
13 | 95b22b88b6 |
14 | 4bca39a165 |
15 | 2918717b01 |
hex | 17559588fd |
100220111101 has 24 divisors (see below), whose sum is σ = 118551521592. Its totient is φ = 84343987200.
The previous prime is 100220111081. The next prime is 100220111107. The reversal of 100220111101 is 101111022001.
It can be written as a sum of positive squares in 4 ways, for example, as 17983078201 + 82237032900 = 134101^2 + 286770^2 .
It is not a de Polignac number, because 100220111101 - 27 = 100220110973 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 (100220111107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273880 + ... + 524833.
It is an arithmetic number, because the mean of its divisors is an integer number (4939646733).
Almost surely, 2100220111101 is an apocalyptic number.
100220111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
100220111101 is a deficient number, since it is larger than the sum of its proper divisors (18331410491).
100220111101 is a wasteful number, since it uses less digits than its factorization.
100220111101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798813 (or 798802 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 100220111101 its reverse (101111022001), we get a palindrome (201331133102).
The spelling of 100220111101 in words is "one hundred billion, two hundred twenty million, one hundred eleven thousand, one hundred one".
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