Base | Representation |
---|---|
bin | 1001001011101110011010… |
… | …11000100110000000000000 |
3 | 2122111112110122110102220000 |
4 | 10211313031120212000000 |
5 | 10121324442240104010 |
6 | 110541011400520000 |
7 | 4152655205423343 |
oct | 445671530460000 |
9 | 78445418412800 |
10 | 20194087034880 |
11 | 648629a744000 |
12 | 23218baa80000 |
13 | b363a958b585 |
14 | 4db582d0845a |
15 | 2504641657c0 |
hex | 125dcd626000 |
20194087034880 has 2240 divisors, whose sum is σ = 84626698432320. Its totient is φ = 4590435041280.
The previous prime is 20194087034851. The next prime is 20194087034899. The reversal of 20194087034880 is 8843078049102.
It is a happy number.
20194087034880 is a `hidden beast` number, since 2 + 0 + 1 + 94 + 0 + 8 + 70 + 3 + 488 + 0 = 666.
It is a super-3 number, since 3×201940870348803 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 75070955386 + ... + 75070955654.
Almost surely, 220194087034880 is an apocalyptic number.
20194087034880 is a gapful number since it is divisible by the number (20) 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 20194087034880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42313349216160).
20194087034880 is an abundant number, since it is smaller than the sum of its proper divisors (64432611397440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20194087034880 is an equidigital number, since it uses as much as digits as its factorization.
20194087034880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362 (or 307 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 54.
The spelling of 20194087034880 in words is "twenty trillion, one hundred ninety-four billion, eighty-seven million, thirty-four thousand, eight hundred eighty".
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