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38806744122 = 23283137189599
BaseRepresentation
bin100100001001000011…
…111110110000111010
310201011111201212011100
4210021003332300322
51113434011302442
625454431112230
72542444611456
oct441103766072
9121144655140
1038806744122
1115504439263
127630372676
133875aac9b3
141c41d15666
151021d7e84c
hex9090fec3a

38806744122 has 48 divisors (see below), whose sum is σ = 85715884800. Its totient is φ = 12686381376.

The previous prime is 38806744091. The next prime is 38806744127. The reversal of 38806744122 is 22144760883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38806744127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 109879 + ... + 299477.

It is an arithmetic number, because the mean of its divisors is an integer number (1785747600).

Almost surely, 238806744122 is an apocalyptic number.

38806744122 is an abundant number, since it is smaller than the sum of its proper divisors (46909140678).

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

38806744122 is a wasteful number, since it uses less digits than its factorization.

38806744122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189827 (or 189824 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 38806744122 in words is "thirty-eight billion, eight hundred six million, seven hundred forty-four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 83 137 166 249 274 411 498 747 822 1233 1494 2466 11371 22742 34113 68226 102339 189599 204678 379198 568797 1137594 1706391 3412782 15736717 25975063 31473434 47210151 51950126 77925189 94420302 141630453 155850378 233775567 283260906 467551134 2155930229 4311860458 6467790687 12935581374 19403372061 38806744122