Base | Representation |
---|---|
bin | 100111010000100100… |
… | …110101110110001100 |
3 | 11000210210020022101110 |
4 | 213100210311312030 |
5 | 1142312412234312 |
6 | 31210523012020 |
7 | 3021421203060 |
oct | 472044656614 |
9 | 130723208343 |
10 | 42154024332 |
11 | 16971936442 |
12 | 820536a010 |
13 | 3c8a407484 |
14 | 207c6bbaa0 |
15 | 116ab7143c |
hex | 9d0935d8c |
42154024332 has 96 divisors (see below), whose sum is σ = 113121792000. Its totient is φ = 11967988032.
The previous prime is 42154024309. The next prime is 42154024357. The reversal of 42154024332 is 23342045124.
It is a self number, because there is not a number n which added to its sum of digits gives 42154024332.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21044443 + ... + 21046445.
It is an arithmetic number, because the mean of its divisors is an integer number (1178352000).
Almost surely, 242154024332 is an apocalyptic number.
42154024332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42154024332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56560896000).
42154024332 is an abundant number, since it is smaller than the sum of its proper divisors (70967767668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42154024332 is a wasteful number, since it uses less digits than its factorization.
42154024332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3475 (or 3473 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 42154024332 its reverse (23342045124), we get a palindrome (65496069456).
The spelling of 42154024332 in words is "forty-two billion, one hundred fifty-four million, twenty-four thousand, three hundred thirty-two".
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