Base | Representation |
---|---|
bin | 110111111011100111… |
… | …0111101001101111001 |
3 | 102111000210221022110212 |
4 | 1233313032331031321 |
5 | 3431442133310410 |
6 | 131102333120505 |
7 | 11451326145323 |
oct | 1576716751571 |
9 | 374023838425 |
10 | 120112010105 |
11 | 46a37109a5a |
12 | 1b341329135 |
13 | b432474639 |
14 | 5b56182613 |
15 | 31cec2db05 |
hex | 1bf73bd379 |
120112010105 has 16 divisors (see below), whose sum is σ = 144687023760. Its totient is φ = 95721357312.
The previous prime is 120112010087. The next prime is 120112010111. The reversal of 120112010105 is 501010211021.
It can be written as a sum of positive squares in 8 ways, for example, as 10248930169 + 109863079936 = 101237^2 + 331456^2 .
It is a cyclic number.
It is not a de Polignac number, because 120112010105 - 216 = 120111944569 is a prime.
It is a super-2 number, since 2×1201120101052 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120112010105.
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, 9767801 + ... + 9780089.
It is an arithmetic number, because the mean of its divisors is an integer number (9042938985).
Almost surely, 2120112010105 is an apocalyptic number.
It is an amenable number.
120112010105 is a deficient number, since it is larger than the sum of its proper divisors (24575013655).
120112010105 is a wasteful number, since it uses less digits than its factorization.
120112010105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19628.
The product of its (nonzero) digits is 20, while the sum is 14.
Adding to 120112010105 its reverse (501010211021), we get a palindrome (621122221126).
The spelling of 120112010105 in words is "one hundred twenty billion, one hundred twelve million, ten thousand, one hundred five".
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