Base | Representation |
---|---|
bin | 100111001111111000… |
… | …101010001110111000 |
3 | 11000202222102212222220 |
4 | 213033320222032320 |
5 | 1142301431124144 |
6 | 31205430444040 |
7 | 3021220564425 |
oct | 471770521670 |
9 | 130688385886 |
10 | 42142442424 |
11 | 16966345815 |
12 | 8201503620 |
13 | 3c87bb0884 |
14 | 207ad44d4c |
15 | 1169b34919 |
hex | 9cfe2a3b8 |
42142442424 has 32 divisors (see below), whose sum is σ = 105371157120. Its totient is φ = 14045474016.
The previous prime is 42142442423. The next prime is 42142442431. The reversal of 42142442424 is 42424424124.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42142442423) 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, 51147 + ... + 294789.
It is an arithmetic number, because the mean of its divisors is an integer number (3292848660).
Almost surely, 242142442424 is an apocalyptic number.
It is an amenable number.
42142442424 is an abundant number, since it is smaller than the sum of its proper divisors (63228714696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42142442424 is a wasteful number, since it uses less digits than its factorization.
42142442424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250859 (or 250855 counting only the distinct ones).
The product of its digits is 65536, while the sum is 33.
Adding to 42142442424 its reverse (42424424124), we get a palindrome (84566866548).
The spelling of 42142442424 in words is "forty-two billion, one hundred forty-two million, four hundred forty-two thousand, four hundred twenty-four".
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