Base | Representation |
---|---|
bin | 100111000111100000… |
… | …111011000101000010 |
3 | 11000102012011210021200 |
4 | 213013200323011002 |
5 | 1142010003032432 |
6 | 31143452402030 |
7 | 3014564062014 |
oct | 470740730502 |
9 | 130365153250 |
10 | 42002002242 |
11 | 168a4042a52 |
12 | 8182476316 |
13 | 3c64a7b085 |
14 | 20664281b4 |
15 | 115c642a7c |
hex | 9c783b142 |
42002002242 has 48 divisors (see below), whose sum is σ = 92094606240. Its totient is φ = 13833892800.
The previous prime is 42002002123. The next prime is 42002002249. The reversal of 42002002242 is 24220020024.
42002002242 is a `hidden beast` number, since 420 + 0 + 2 + 0 + 0 + 2 + 242 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (42002002249) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488142 + ... + 567702.
It is an arithmetic number, because the mean of its divisors is an integer number (1918637630).
Almost surely, 242002002242 is an apocalyptic number.
42002002242 is an abundant number, since it is smaller than the sum of its proper divisors (50092603998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42002002242 is a wasteful number, since it uses less digits than its factorization.
42002002242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79919 (or 79916 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
Adding to 42002002242 its reverse (24220020024), we get a palindrome (66222022266).
The spelling of 42002002242 in words is "forty-two billion, two million, two thousand, two hundred forty-two".
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