Base | Representation |
---|---|
bin | 100111001000000111… |
… | …001001110101010000 |
3 | 11000102220000221202020 |
4 | 213020013021311100 |
5 | 1142020034233034 |
6 | 31144451251440 |
7 | 3015045212256 |
oct | 471007116520 |
9 | 130386027666 |
10 | 42012024144 |
11 | 168a9768612 |
12 | 81858a9b80 |
13 | 3c66b798ac |
14 | 20678b65d6 |
15 | 115d472249 |
hex | 9c81c9d50 |
42012024144 has 40 divisors (see below), whose sum is σ = 111464339040. Its totient is φ = 13625520768.
The previous prime is 42012024143. The next prime is 42012024151. The reversal of 42012024144 is 44142021024.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42012024143) 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, 11825934 + ... + 11829485.
It is an arithmetic number, because the mean of its divisors is an integer number (2786608476).
Almost surely, 242012024144 is an apocalyptic number.
It is an amenable number.
42012024144 is an abundant number, since it is smaller than the sum of its proper divisors (69452314896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42012024144 is a wasteful number, since it uses less digits than its factorization.
42012024144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23655467 (or 23655461 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 42012024144 its reverse (44142021024), we get a palindrome (86154045168).
The spelling of 42012024144 in words is "forty-two billion, twelve million, twenty-four thousand, one hundred forty-four".
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