Base | Representation |
---|---|
bin | 111101011101010… |
… | …110101111111100 |
3 | 2122212012120212210 |
4 | 331131112233330 |
5 | 4102430334112 |
6 | 250152100420 |
7 | 34360152402 |
oct | 7535265774 |
9 | 2585176783 |
10 | 1031105532 |
11 | 48a039936 |
12 | 249394710 |
13 | 13580b422 |
14 | 9ad27472 |
15 | 607c7b3c |
hex | 3d756bfc |
1031105532 has 12 divisors (see below), whose sum is σ = 2405912936. Its totient is φ = 343701840.
The previous prime is 1031105531. The next prime is 1031105533. The reversal of 1031105532 is 2355011301.
It is an interprime number because it is at equal distance from previous prime (1031105531) and next prime (1031105533).
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 1031105499 and 1031105508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031105531) 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, 42962719 + ... + 42962742.
Almost surely, 21031105532 is an apocalyptic number.
1031105532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1031105532 is an abundant number, since it is smaller than the sum of its proper divisors (1374807404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031105532 is a wasteful number, since it uses less digits than its factorization.
1031105532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85925468 (or 85925466 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 1031105532 is about 32110.8320041696. The cubic root of 1031105532 is about 1010.2628247815.
Adding to 1031105532 its reverse (2355011301), we get a palindrome (3386116833).
The spelling of 1031105532 in words is "one billion, thirty-one million, one hundred five thousand, five hundred thirty-two".
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