Base | Representation |
---|---|
bin | 111101011101000… |
… | …000001010011111 |
3 | 2122212000212222112 |
4 | 331131000022133 |
5 | 4102414404043 |
6 | 250150104235 |
7 | 34356315605 |
oct | 7535001237 |
9 | 2585025875 |
10 | 1031013023 |
11 | 489a86387 |
12 | 24934b07b |
13 | 1357a82a1 |
14 | 9ad01875 |
15 | 607aa518 |
hex | 3d74029f |
1031013023 has 6 divisors (see below), whose sum is σ = 1048787544. Its totient is φ = 1013534804.
The previous prime is 1031013013. The next prime is 1031013041. The reversal of 1031013023 is 3203101301.
It is not a de Polignac number, because 1031013023 - 24 = 1031013007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031012989 and 1031013007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031013013) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144611 + ... + 151572.
It is an arithmetic number, because the mean of its divisors is an integer number (174797924).
Almost surely, 21031013023 is an apocalyptic number.
1031013023 is a deficient number, since it is larger than the sum of its proper divisors (17774521).
1031013023 is an frugal number, since it uses more digits than its factorization.
1031013023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296301 (or 296242 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1031013023 is about 32109.3915077816. The cubic root of 1031013023 is about 1010.2326108685.
Adding to 1031013023 its reverse (3203101301), we get a palindrome (4234114324).
The spelling of 1031013023 in words is "one billion, thirty-one million, thirteen thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •