Base | Representation |
---|---|
bin | 1000010001110100111… |
… | …0000010011101101110 |
3 | 111121002211210220110000 |
4 | 2010131032002131232 |
5 | 4312233334441032 |
6 | 145200432525130 |
7 | 13163306146620 |
oct | 2043516023556 |
9 | 447084726400 |
10 | 142224140142 |
11 | 55353901597 |
12 | 236926b07a6 |
13 | 105475c6356 |
14 | 6c52b90c10 |
15 | 3a7610ae7c |
hex | 211d38276e |
142224140142 has 40 divisors (see below), whose sum is σ = 364214203056. Its totient is φ = 40635468288.
The previous prime is 142224140137. The next prime is 142224140143. The reversal of 142224140142 is 241041422241.
142224140142 is a `hidden beast` number, since 14 + 2 + 2 + 241 + 401 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142224140143) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62707923 + ... + 62710190.
Almost surely, 2142224140142 is an apocalyptic number.
142224140142 is an abundant number, since it is smaller than the sum of its proper divisors (221990062914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142224140142 is a wasteful number, since it uses less digits than its factorization.
142224140142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125418134 (or 125418125 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 27.
Adding to 142224140142 its reverse (241041422241), we get a palindrome (383265562383).
The spelling of 142224140142 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred forty thousand, one hundred forty-two".
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