Base | Representation |
---|---|
bin | 101011000010111111000101… |
… | …1000000110101101111100100 |
3 | 1211122122212002200112002021210 |
4 | 1112011332023000311233210 |
5 | 344112134020122214340 |
6 | 3421145521321311420 |
7 | 142520002341101136 |
oct | 12605761300655744 |
9 | 1748585080462253 |
10 | 378642354101220 |
11 | aa713358782510 |
12 | 36573512335570 |
13 | 13337a8934a911 |
14 | 697055dca1056 |
15 | 2db955362b180 |
hex | 1585f8b035be4 |
378642354101220 has 192 divisors, whose sum is σ = 1157004044292096. Its totient is φ = 91758461982720.
The previous prime is 378642354101213. The next prime is 378642354101237. The reversal of 378642354101220 is 22101453246873.
It is a self number, because there is not a number n which added to its sum of digits gives 378642354101220.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36313637647 + ... + 36313648073.
It is an arithmetic number, because the mean of its divisors is an integer number (6026062730688).
Almost surely, 2378642354101220 is an apocalyptic number.
378642354101220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
378642354101220 is an abundant number, since it is smaller than the sum of its proper divisors (778361690190876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378642354101220 is a wasteful number, since it uses less digits than its factorization.
378642354101220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25330 (or 25328 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 48.
The spelling of 378642354101220 in words is "three hundred seventy-eight trillion, six hundred forty-two billion, three hundred fifty-four million, one hundred one thousand, two hundred twenty".
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