Base | Representation |
---|---|
bin | 10010111001000001… |
… | …10100100001100101 |
3 | 222011211001010102002 |
4 | 21130200310201211 |
5 | 131232330322323 |
6 | 4354215055045 |
7 | 506220636122 |
oct | 113440644145 |
9 | 28154033362 |
10 | 10142042213 |
11 | 4334a11476 |
12 | 1b70671485 |
13 | c58261214 |
14 | 6c2d79749 |
15 | 3e55b9828 |
hex | 25c834865 |
10142042213 has 8 divisors (see below), whose sum is σ = 10417554840. Its totient is φ = 9866603520.
The previous prime is 10142042179. The next prime is 10142042219. The reversal of 10142042213 is 31224024101.
It can be written as a sum of positive squares in 4 ways, for example, as 3025770049 + 7116272164 = 55007^2 + 84358^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10142042213 - 26 = 10142042149 is a prime.
It is a super-2 number, since 2×101420422132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10142042219) 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, 367373 + ... + 394013.
It is an arithmetic number, because the mean of its divisors is an integer number (1302194355).
Almost surely, 210142042213 is an apocalyptic number.
It is an amenable number.
10142042213 is a deficient number, since it is larger than the sum of its proper divisors (275512627).
10142042213 is a wasteful number, since it uses less digits than its factorization.
10142042213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36967.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 10142042213 its reverse (31224024101), we get a palindrome (41366066314).
The spelling of 10142042213 in words is "ten billion, one hundred forty-two million, forty-two thousand, two hundred thirteen".
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