Base | Representation |
---|---|
bin | 1001000000001111011010… |
… | …10110101111100000000000 |
3 | 2121002210221020210201110000 |
4 | 10200013231112233200000 |
5 | 10043343322011213214 |
6 | 110035431500240000 |
7 | 4112315505546600 |
oct | 440075526574000 |
9 | 77083836721400 |
10 | 19799486429184 |
11 | 6343a07a10550 |
12 | 2279333b40000 |
13 | b0811176a807 |
14 | 4c642bc90c00 |
15 | 24506b7b7809 |
hex | 1201ed5af800 |
19799486429184 has 1440 divisors, whose sum is σ = 76026215865600. Its totient is φ = 5075814481920.
The previous prime is 19799486429171. The next prime is 19799486429197. The reversal of 19799486429184 is 48192468499791.
19799486429184 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 9 + 4 + 8 + 6 + 429 + 184 = 666.
It is an interprime number because it is at equal distance from previous prime (19799486429171) and next prime (19799486429197).
It is a Harshad number since it is a multiple of its sum of digits (81).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7063675527 + ... + 7063678329.
It is an arithmetic number, because the mean of its divisors is an integer number (52795983240).
Almost surely, 219799486429184 is an apocalyptic number.
19799486429184 is a gapful number since it is divisible by the number (14) 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 19799486429184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38013107932800).
19799486429184 is an abundant number, since it is smaller than the sum of its proper divisors (56226729436416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19799486429184 is a wasteful number, since it uses less digits than its factorization.
19799486429184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2941 (or 2905 counting only the distinct ones).
The product of its digits is 2257403904, while the sum is 81.
The spelling of 19799486429184 in words is "nineteen trillion, seven hundred ninety-nine billion, four hundred eighty-six million, four hundred twenty-nine thousand, one hundred eighty-four".
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