Base | Representation |
---|---|
bin | 10010111001000010… |
… | …01101011011100111 |
3 | 222011211020022100112 |
4 | 21130201031123213 |
5 | 131232342103411 |
6 | 4354221203235 |
7 | 506221542422 |
oct | 113441153347 |
9 | 28154208315 |
10 | 10142144231 |
11 | 4334a8108a |
12 | 1b7070051b |
13 | c5829879b |
14 | 6c2da49b9 |
15 | 3e55d9b8b |
hex | 25c84d6e7 |
10142144231 has 2 divisors, whose sum is σ = 10142144232. Its totient is φ = 10142144230.
The previous prime is 10142144153. The next prime is 10142144249. The reversal of 10142144231 is 13244124101.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10142144231 - 214 = 10142127847 is a prime.
It is a super-2 number, since 2×101421442312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10142144197 and 10142144206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10142144261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071072115 + 5071072116.
It is an arithmetic number, because the mean of its divisors is an integer number (5071072116).
Almost surely, 210142144231 is an apocalyptic number.
10142144231 is a deficient number, since it is larger than the sum of its proper divisors (1).
10142144231 is an equidigital number, since it uses as much as digits as its factorization.
10142144231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 10142144231 its reverse (13244124101), we get a palindrome (23386268332).
The spelling of 10142144231 in words is "ten billion, one hundred forty-two million, one hundred forty-four thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •