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194380200000 = 263255715427
BaseRepresentation
bin1011010100000111110…
…1100111100001000000
3200120201200122021011200
42311001331213201000
511141042312400000
6225144054141200
720020631303310
oct2650175474100
9616650567150
10194380200000
1175488612298
1231809651800
1315439c5162c
14959d9a1440
1550c9ddd500
hex2d41f67840

194380200000 has 504 divisors, whose sum is σ = 795937431744. Its totient is φ = 44426880000.

The previous prime is 194380199969. The next prime is 194380200029. The reversal of 194380200000 is 2083491.

It is a tau number, because it is divible by the number of its divisors (504).

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 71 ways as a sum of consecutive naturals, for example, 12592287 + ... + 12607713.

It is an arithmetic number, because the mean of its divisors is an integer number (1579240936).

Almost surely, 2194380200000 is an apocalyptic number.

194380200000 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 194380200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397968715872).

194380200000 is an abundant number, since it is smaller than the sum of its proper divisors (601557231744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194380200000 is an equidigital number, since it uses as much as digits as its factorization.

194380200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477 (or 15444 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 194380200000 its reverse (2083491), we get a palindrome (194382283491).

The spelling of 194380200000 in words is "one hundred ninety-four billion, three hundred eighty million, two hundred thousand".