Base | Representation |
---|---|
bin | 111111110101100… |
… | …0111111100000110 |
3 | 12112021120102220000 |
4 | 1333223013330012 |
5 | 13341323324032 |
6 | 552314422130 |
7 | 104036536305 |
oct | 17753077406 |
9 | 5467512800 |
10 | 2142011142 |
11 | 9aa122747 |
12 | 4b9431946 |
13 | 281a09c1b |
14 | 1646a443c |
15 | c80b4e7c |
hex | 7fac7f06 |
2142011142 has 40 divisors (see below), whose sum is σ = 4803561576. Its totient is φ = 713428128.
The previous prime is 2142011099. The next prime is 2142011213. The reversal of 2142011142 is 2411102412.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227533 + ... + 236759.
Almost surely, 22142011142 is an apocalyptic number.
2142011142 is an abundant number, since it is smaller than the sum of its proper divisors (2661550434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142011142 is a wasteful number, since it uses less digits than its factorization.
2142011142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10674 (or 10665 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 2142011142 is about 46281.8662328995. The cubic root of 2142011142 is about 1289.0623039550.
Adding to 2142011142 its reverse (2411102412), we get a palindrome (4553113554).
The spelling of 2142011142 in words is "two billion, one hundred forty-two million, eleven thousand, one hundred forty-two".
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