Search a number
-
+
20194087034880 = 21334511317269
BaseRepresentation
bin1001001011101110011010…
…11000100110000000000000
32122111112110122110102220000
410211313031120212000000
510121324442240104010
6110541011400520000
74152655205423343
oct445671530460000
978445418412800
1020194087034880
11648629a744000
1223218baa80000
13b363a958b585
144db582d0845a
152504641657c0
hex125dcd626000

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".