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19381822001 = 791015124169
BaseRepresentation
bin10010000011001111…
…110010001000110001
31212000202022120110022
4102003033302020301
5304143221301001
612523123413225
71254204524453
oct220317621061
955022276408
1019381822001
118246595813
12390ab24215
131a9b5b6039
14d1c16a2d3
1578685c11b
hex4833f2231

19381822001 has 8 divisors (see below), whose sum is σ = 19629907200. Its totient is φ = 19133805600.

The previous prime is 19381821989. The next prime is 19381822063. The reversal of 19381822001 is 10022818391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19381822001 - 26 = 19381821937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19381821001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789845 + ... + 814013.

It is an arithmetic number, because the mean of its divisors is an integer number (2453738400).

Almost surely, 219381822001 is an apocalyptic number.

It is an amenable number.

19381822001 is a deficient number, since it is larger than the sum of its proper divisors (248085199).

19381822001 is a wasteful number, since it uses less digits than its factorization.

19381822001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34399.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 19381822001 in words is "nineteen billion, three hundred eighty-one million, eight hundred twenty-two thousand, one".

Divisors: 1 79 10151 24169 801929 1909351 245339519 19381822001