Base | Representation |
---|---|
bin | 11000011011000101… |
… | …01111001111100110 |
3 | 1020211210202022100120 |
4 | 30031202233033212 |
5 | 203323200041402 |
6 | 10005034022410 |
7 | 642634054035 |
oct | 141542571746 |
9 | 36753668316 |
10 | 13112112102 |
11 | 5619499991 |
12 | 265b277a06 |
13 | 130c69651b |
14 | 8c55d071c |
15 | 51b1ea3bc |
hex | 30d8af3e6 |
13112112102 has 32 divisors (see below), whose sum is σ = 26598686688. Its totient is φ = 4308362496.
The previous prime is 13112112071. The next prime is 13112112103. The reversal of 13112112102 is 20121121131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13112112103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856588 + ... + 871760.
It is an arithmetic number, because the mean of its divisors is an integer number (831208959).
Almost surely, 213112112102 is an apocalyptic number.
13112112102 is an abundant number, since it is smaller than the sum of its proper divisors (13486574586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13112112102 is a wasteful number, since it uses less digits than its factorization.
13112112102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17224.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 13112112102 its reverse (20121121131), we get a palindrome (33233233233).
The spelling of 13112112102 in words is "thirteen billion, one hundred twelve million, one hundred twelve thousand, one hundred two".
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