Base | Representation |
---|---|
bin | 110000000001100010… |
… | …1101010100111001011 |
3 | 100212012101020020201021 |
4 | 1200003011222213023 |
5 | 3142203021011021 |
6 | 115213331533311 |
7 | 10310453210500 |
oct | 1400305524713 |
9 | 325171206637 |
10 | 103131032011 |
11 | 3a812862867 |
12 | 17ba245a237 |
13 | 99573b13c7 |
14 | 4dc4c154a7 |
15 | 2a39062c41 |
hex | 180316a9cb |
103131032011 has 24 divisors (see below), whose sum is σ = 120316656096. Its totient is φ = 88142100480.
The previous prime is 103131032003. The next prime is 103131032023. The reversal of 103131032011 is 110230131301.
It is not a de Polignac number, because 103131032011 - 23 = 103131032003 is a prime.
It is not an unprimeable number, because it can be changed into a prime (103131032041) 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, 29830795 + ... + 29834251.
It is an arithmetic number, because the mean of its divisors is an integer number (5013194004).
Almost surely, 2103131032011 is an apocalyptic number.
103131032011 is a deficient number, since it is larger than the sum of its proper divisors (17185624085).
103131032011 is an equidigital number, since it uses as much as digits as its factorization.
103131032011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5059 (or 5052 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 103131032011 its reverse (110230131301), we get a palindrome (213361163312).
The spelling of 103131032011 in words is "one hundred three billion, one hundred thirty-one million, thirty-two thousand, eleven".
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