Base | Representation |
---|---|
bin | 110000001010110000… |
… | …0110010010000100111 |
3 | 100212222220212002222002 |
4 | 1200111200302100213 |
5 | 3143321133143421 |
6 | 115304132555515 |
7 | 10321225415162 |
oct | 1402540622047 |
9 | 325886762862 |
10 | 103440131111 |
11 | 3a961291569 |
12 | 18069a82b9b |
13 | 99a6446995 |
14 | 5013cb6ad9 |
15 | 2a5626cb0b |
hex | 1815832427 |
103440131111 has 8 divisors (see below), whose sum is σ = 105399715104. Its totient is φ = 101480839200.
The previous prime is 103440131101. The next prime is 103440131129. The reversal of 103440131111 is 111131044301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103440131111 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103440131101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723461 + ... + 854561.
It is an arithmetic number, because the mean of its divisors is an integer number (13174964388).
Almost surely, 2103440131111 is an apocalyptic number.
103440131111 is a deficient number, since it is larger than the sum of its proper divisors (1959583993).
103440131111 is a wasteful number, since it uses less digits than its factorization.
103440131111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146041.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 103440131111 its reverse (111131044301), we get a palindrome (214571175412).
The spelling of 103440131111 in words is "one hundred three billion, four hundred forty million, one hundred thirty-one thousand, one hundred eleven".
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