Base | Representation |
---|---|
bin | 10110100011111001… |
… | …10110001000011110 |
3 | 1011021010110202200100 |
4 | 23101330312020132 |
5 | 144301223314402 |
6 | 5321521041530 |
7 | 606104022225 |
oct | 132174661036 |
9 | 34233422610 |
10 | 12112323102 |
11 | 51560aa690 |
12 | 24204862a6 |
13 | 11b05013b9 |
14 | 82c8d9cbc |
15 | 4ad55b71c |
hex | 2d1f3621e |
12112323102 has 48 divisors (see below), whose sum is σ = 28950845040. Its totient is φ = 3629155200.
The previous prime is 12112323079. The next prime is 12112323103. The reversal of 12112323102 is 20132321121.
12112323102 is a `hidden beast` number, since 121 + 1 + 232 + 310 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12112323103) 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, 326049 + ... + 361292.
It is an arithmetic number, because the mean of its divisors is an integer number (603142605).
Almost surely, 212112323102 is an apocalyptic number.
12112323102 is an abundant number, since it is smaller than the sum of its proper divisors (16838521938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12112323102 is a wasteful number, since it uses less digits than its factorization.
12112323102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 687449 (or 687446 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 12112323102 its reverse (20132321121), we get a palindrome (32244644223).
The spelling of 12112323102 in words is "twelve billion, one hundred twelve million, three hundred twenty-three thousand, one hundred two".
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