Base | Representation |
---|---|
bin | 111001010100101110… |
… | …0111111000011100111 |
3 | 102202202012012011120100 |
4 | 1302221130333003213 |
5 | 4004103110011403 |
6 | 132315143435143 |
7 | 11615404002531 |
oct | 1625134770347 |
9 | 382665164510 |
10 | 123102032103 |
11 | 48230984816 |
12 | 1ba36755ab3 |
13 | b7baa7431b |
14 | 5d5b30c851 |
15 | 33074a12a3 |
hex | 1ca973f0e7 |
123102032103 has 12 divisors (see below), whose sum is σ = 181169029080. Its totient is φ = 80519567856.
The previous prime is 123102032089. The next prime is 123102032117. The reversal of 123102032103 is 301230201321.
123102032103 is a `hidden beast` number, since 12 + 310 + 20 + 321 + 0 + 3 = 666.
It is an interprime number because it is at equal distance from previous prime (123102032089) and next prime (123102032117).
It is not a de Polignac number, because 123102032103 - 222 = 123097837799 is a prime.
It is a super-2 number, since 2×1231020321032 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123102032143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129037293 + ... + 129038246.
It is an arithmetic number, because the mean of its divisors is an integer number (15097419090).
Almost surely, 2123102032103 is an apocalyptic number.
123102032103 is a deficient number, since it is larger than the sum of its proper divisors (58066996977).
123102032103 is a wasteful number, since it uses less digits than its factorization.
123102032103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258075598 (or 258075595 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 123102032103 its reverse (301230201321), we get a palindrome (424332233424).
The spelling of 123102032103 in words is "one hundred twenty-three billion, one hundred two million, thirty-two thousand, one hundred three".
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