Base | Representation |
---|---|
bin | 111100010001001… |
… | …010011001111111 |
3 | 2121110121211101111 |
4 | 330101022121333 |
5 | 4032322211111 |
6 | 244200022451 |
7 | 34025323540 |
oct | 7421123177 |
9 | 2543554344 |
10 | 1011132031 |
11 | 479837508 |
12 | 242761a27 |
13 | 1316370a0 |
14 | 984084c7 |
15 | 5db7ea21 |
hex | 3c44a67f |
1011132031 has 8 divisors (see below), whose sum is σ = 1244470304. Its totient is φ = 800016480.
The previous prime is 1011132013. The next prime is 1011132043. The reversal of 1011132031 is 1302311101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1011132031 - 25 = 1011131999 is a prime.
It is a super-2 number, since 2×10111320312 = 2044775968228369922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1011132011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5555580 + ... + 5555761.
It is an arithmetic number, because the mean of its divisors is an integer number (155558788).
Almost surely, 21011132031 is an apocalyptic number.
1011132031 is a deficient number, since it is larger than the sum of its proper divisors (233338273).
1011132031 is a wasteful number, since it uses less digits than its factorization.
1011132031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11111361.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 1011132031 is about 31798.3023288980. The cubic root of 1011132031 is about 1003.6969924040.
Adding to 1011132031 its reverse (1302311101), we get a palindrome (2313443132).
The spelling of 1011132031 in words is "one billion, eleven million, one hundred thirty-two thousand, thirty-one".
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