Base | Representation |
---|---|
bin | 10001001010001010… |
… | …010111101000111000 |
3 | 1202120000012022211010 |
4 | 101022022113220320 |
5 | 300213032221212 |
6 | 12244112233520 |
7 | 1221365164302 |
oct | 211212275070 |
9 | 52500168733 |
10 | 18424101432 |
11 | 78a4a1a110 |
12 | 36a223b8a0 |
13 | 1978060089 |
14 | c6aca6972 |
15 | 72c72d03c |
hex | 44a297a38 |
18424101432 has 32 divisors (see below), whose sum is σ = 50247550080. Its totient is φ = 5583060960.
The previous prime is 18424101391. The next prime is 18424101491. The reversal of 18424101432 is 23410142481.
It is a self number, because there is not a number n which added to its sum of digits gives 18424101432.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34893868 + ... + 34894395.
It is an arithmetic number, because the mean of its divisors is an integer number (1570235940).
Almost surely, 218424101432 is an apocalyptic number.
18424101432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18424101432 is an abundant number, since it is smaller than the sum of its proper divisors (31823448648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18424101432 is a wasteful number, since it uses less digits than its factorization.
18424101432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69788283 (or 69788279 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The spelling of 18424101432 in words is "eighteen billion, four hundred twenty-four million, one hundred one thousand, four hundred thirty-two".
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