Base | Representation |
---|---|
bin | 100101000001001… |
… | …0011001011100000 |
3 | 10012120021001222010 |
4 | 1022002103023200 |
5 | 10020440214312 |
6 | 323130512520 |
7 | 42531550605 |
oct | 11202231340 |
9 | 3176231863 |
10 | 1242116832 |
11 | 588162840 |
12 | 2a7b95740 |
13 | 16a44c698 |
14 | bad746ac |
15 | 740a993c |
hex | 4a0932e0 |
1242116832 has 96 divisors (see below), whose sum is σ = 3766258944. Its totient is φ = 354252800.
The previous prime is 1242116797. The next prime is 1242116833. The reversal of 1242116832 is 2386112421.
It is a tau number, because it is divible by the number of its divisors (96).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 1242116832.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1242116833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16644 + ... + 52547.
It is an arithmetic number, because the mean of its divisors is an integer number (39231864).
Almost surely, 21242116832 is an apocalyptic number.
1242116832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1242116832 is an abundant number, since it is smaller than the sum of its proper divisors (2524142112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242116832 is a wasteful number, since it uses less digits than its factorization.
1242116832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69232 (or 69224 counting only the distinct ones).
The product of its digits is 4608, while the sum is 30.
The square root of 1242116832 is about 35243.6779011499. The cubic root of 1242116832 is about 1074.9480651312.
The spelling of 1242116832 in words is "one billion, two hundred forty-two million, one hundred sixteen thousand, eight hundred thirty-two".
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