| Base | Representation |
|---|---|
| bin | 1000101100110111111111… |
| … | …11011101001100100000000 |
| 3 | 2111202012101210202111000000 |
| 4 | 10112123333323221210000 |
| 5 | 10001443043002210300 |
| 6 | 104410024004000000 |
| 7 | 4013251202606550 |
| oct | 426337773514400 |
| 9 | 74665353674000 |
| 10 | 19134078163200 |
| 11 | 6107798331690 |
| 12 | 2190390090000 |
| 13 | a8a449a7a750 |
| 14 | 4a2146b7d160 |
| 15 | 232ac44e7c00 |
| hex | 1166ffee9900 |
19134078163200 has 6048 divisors, whose sum is σ = 101365436696832. Its totient is φ = 3439853568000.
The previous prime is 19134078163159. The next prime is 19134078163201. The reversal of 19134078163200 is 236187043191.
19134078163200 is a `hidden beast` number, since 1 + 9 + 1 + 3 + 4 + 0 + 7 + 8 + 1 + 632 + 0 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (6048).
It is a super-2 number, since 2×191340781632002 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a zygodrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (19134078163201) by changing a digit.
It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 79394515080 + ... + 79394515320.
It is an arithmetic number, because the mean of its divisors is an integer number (16760158184).
Almost surely, 219134078163200 is an apocalyptic number.
19134078163200 is a gapful number since it is divisible by the number (10) 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 19134078163200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50682718348416).
19134078163200 is an abundant number, since it is smaller than the sum of its proper divisors (82231358533632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19134078163200 is a wasteful number, since it uses less digits than its factorization.
19134078163200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333 (or 299 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The spelling of 19134078163200 in words is "nineteen trillion, one hundred thirty-four billion, seventy-eight million, one hundred sixty-three thousand, two hundred".
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