Base | Representation |
---|---|
bin | 10110100010110100… |
… | …01010101001100111 |
3 | 1011020111100220011200 |
4 | 23101122022221213 |
5 | 144241411411403 |
6 | 5320554133543 |
7 | 605633526654 |
oct | 132132125147 |
9 | 34214326150 |
10 | 12103232103 |
11 | 5150a60466 |
12 | 24194212b3 |
13 | 11ab66a501 |
14 | 82b610c2b |
15 | 4ac862ca3 |
hex | 2d168aa67 |
12103232103 has 12 divisors (see below), whose sum is σ = 17908848048. Its totient is φ = 7872020640.
The previous prime is 12103232077. The next prime is 12103232117. The reversal of 12103232103 is 30123230121.
12103232103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12103232103 - 26 = 12103232039 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103232003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16399675 + ... + 16400412.
It is an arithmetic number, because the mean of its divisors is an integer number (1492404004).
Almost surely, 212103232103 is an apocalyptic number.
12103232103 is a deficient number, since it is larger than the sum of its proper divisors (5805615945).
12103232103 is a wasteful number, since it uses less digits than its factorization.
12103232103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32800134 (or 32800131 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12103232103 its reverse (30123230121), we get a palindrome (42226462224).
The spelling of 12103232103 in words is "twelve billion, one hundred three million, two hundred thirty-two thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.024 sec. • engine limits •