Base | Representation |
---|---|
bin | 10010101000010111… |
… | …10101011010110011 |
3 | 221211002010122211222 |
4 | 21110023311122303 |
5 | 130441043314443 |
6 | 4332304255255 |
7 | 502603225622 |
oct | 112413653263 |
9 | 27732118758 |
10 | 10002323123 |
11 | 4273061451 |
12 | 1b3191152b |
13 | c353219c0 |
14 | 6ac5a96b9 |
15 | 3d81bb468 |
hex | 2542f56b3 |
10002323123 has 4 divisors (see below), whose sum is σ = 10771732608. Its totient is φ = 9232913640.
The previous prime is 10002323113. The next prime is 10002323131. The reversal of 10002323123 is 32132320001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32132320001 = 47 ⋅683666383.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10002323123 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10002323113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384704723 + ... + 384704748.
It is an arithmetic number, because the mean of its divisors is an integer number (2692933152).
Almost surely, 210002323123 is an apocalyptic number.
10002323123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
10002323123 is a deficient number, since it is larger than the sum of its proper divisors (769409485).
10002323123 is an equidigital number, since it uses as much as digits as its factorization.
10002323123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 769409484.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 10002323123 its reverse (32132320001), we get a palindrome (42134643124).
The spelling of 10002323123 in words is "ten billion, two million, three hundred twenty-three thousand, one hundred twenty-three".
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