Base | Representation |
---|---|
bin | 111100001101010… |
… | …111000010101101 |
3 | 2121101202012000022 |
4 | 330031113002231 |
5 | 4032043311323 |
6 | 244122411525 |
7 | 34014002423 |
oct | 7415270255 |
9 | 2541665008 |
10 | 1010135213 |
11 | 47921659a |
12 | 242360ba5 |
13 | 131378459 |
14 | 98229113 |
15 | 5da344c8 |
hex | 3c3570ad |
1010135213 has 4 divisors (see below), whose sum is σ = 1010284188. Its totient is φ = 1009986240.
The previous prime is 1010135207. The next prime is 1010135227. The reversal of 1010135213 is 3125310101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3125310101 = 3121 ⋅1001381.
It can be written as a sum of positive squares in 2 ways, for example, as 271491529 + 738643684 = 16477^2 + 27178^2 .
It is a cyclic number.
It is not a de Polignac number, because 1010135213 - 222 = 1005940909 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1010135191 and 1010135200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010135263) 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, 63806 + ... + 78047.
It is an arithmetic number, because the mean of its divisors is an integer number (252571047).
Almost surely, 21010135213 is an apocalyptic number.
It is an amenable number.
1010135213 is a deficient number, since it is larger than the sum of its proper divisors (148975).
1010135213 is an equidigital number, since it uses as much as digits as its factorization.
1010135213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148974.
The product of its (nonzero) digits is 90, while the sum is 17.
The square root of 1010135213 is about 31782.6243881779. The cubic root of 1010135213 is about 1003.3670545528.
Adding to 1010135213 its reverse (3125310101), we get a palindrome (4135445314).
The spelling of 1010135213 in words is "one billion, ten million, one hundred thirty-five thousand, two hundred thirteen".
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