Base | Representation |
---|---|
bin | 111101011101000… |
… | …010101000010011 |
3 | 2122212001101211121 |
4 | 331131002220103 |
5 | 4102420214443 |
6 | 250150223111 |
7 | 34356360214 |
oct | 7535025023 |
9 | 2585041747 |
10 | 1031023123 |
11 | 489a92a29 |
12 | 249354a97 |
13 | 1357aca70 |
14 | 9ad0540b |
15 | 607ad4ed |
hex | 3d742a13 |
1031023123 has 8 divisors (see below), whose sum is σ = 1175646528. Its totient is φ = 895730304.
The previous prime is 1031023061. The next prime is 1031023127. The reversal of 1031023123 is 3213201301.
1031023123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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-1031023123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031023097 and 1031023106.
It is not an unprimeable number, because it can be changed into a prime (1031023127) 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, 2332411 + ... + 2332852.
It is an arithmetic number, because the mean of its divisors is an integer number (146955816).
Almost surely, 21031023123 is an apocalyptic number.
1031023123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1031023123 is a deficient number, since it is larger than the sum of its proper divisors (144623405).
1031023123 is a wasteful number, since it uses less digits than its factorization.
1031023123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4665293.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1031023123 is about 32109.5487822548. The cubic root of 1031023123 is about 1010.2359096681.
Adding to 1031023123 its reverse (3213201301), we get a palindrome (4244224424).
It can be divided in two parts, 10310 and 23123, that added together give a palindrome (33433).
The spelling of 1031023123 in words is "one billion, thirty-one million, twenty-three thousand, one hundred twenty-three".
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