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18797825324 = 227959486789
BaseRepresentation
bin10001100000011100…
…000000110100101100
31210112001102110121202
4101200130000310230
5301444220402244
612345142345032
71233553610315
oct214034006454
953461373552
1018797825324
117a76978433
12378742b178
131a07601685
14ca478b60c
1575045104e
hex460700d2c

18797825324 has 12 divisors (see below), whose sum is σ = 33312602400. Its totient is φ = 9279938928.

The previous prime is 18797825311. The next prime is 18797825339. The reversal of 18797825324 is 42352879781.

It is a self number, because there is not a number n which added to its sum of digits gives 18797825324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29743079 + ... + 29743710.

It is an arithmetic number, because the mean of its divisors is an integer number (2776050200).

Almost surely, 218797825324 is an apocalyptic number.

It is an amenable number.

18797825324 is a deficient number, since it is larger than the sum of its proper divisors (14514777076).

18797825324 is a wasteful number, since it uses less digits than its factorization.

18797825324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59486872 (or 59486870 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 18797825324 in words is "eighteen billion, seven hundred ninety-seven million, eight hundred twenty-five thousand, three hundred twenty-four".

Divisors: 1 2 4 79 158 316 59486789 118973578 237947156 4699456331 9398912662 18797825324