Base | Representation |
---|---|
bin | 10010110111101101… |
… | …01100111100100011 |
3 | 222011001021011212211 |
4 | 21123312230330203 |
5 | 131222014013443 |
6 | 4353142302551 |
7 | 506025042265 |
oct | 113366547443 |
9 | 28131234784 |
10 | 10131001123 |
11 | 4329760101 |
12 | 1b68a27a57 |
13 | c55b96829 |
14 | 6c1703b35 |
15 | 3e463819d |
hex | 25bdacf23 |
10131001123 has 2 divisors, whose sum is σ = 10131001124. Its totient is φ = 10131001122.
The previous prime is 10131001091. The next prime is 10131001157. The reversal of 10131001123 is 32110013101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10131001123 - 25 = 10131001091 is a prime.
It is a super-2 number, since 2×101310011232 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10131001163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065500561 + 5065500562.
It is an arithmetic number, because the mean of its divisors is an integer number (5065500562).
Almost surely, 210131001123 is an apocalyptic number.
10131001123 is a deficient number, since it is larger than the sum of its proper divisors (1).
10131001123 is an equidigital number, since it uses as much as digits as its factorization.
10131001123 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 10131001123 its reverse (32110013101), we get a palindrome (42241014224).
The spelling of 10131001123 in words is "ten billion, one hundred thirty-one million, one thousand, one hundred twenty-three".
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