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18127970316 = 2233315414567
BaseRepresentation
bin10000111000100000…
…101110000000001100
31201210100222022022000
4100320200232000030
5244111230022231
612154453152300
71211141130261
oct207040560014
951710868260
1018127970316
117762848455
12361b02b690
13192b8b8271
14c3d81d268
157117356e6
hex43882e00c

18127970316 has 48 divisors (see below), whose sum is σ = 48514529280. Its totient is φ = 5847731280.

The previous prime is 18127970293. The next prime is 18127970321. The reversal of 18127970316 is 61307972181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2703936 + ... + 2710631.

It is an arithmetic number, because the mean of its divisors is an integer number (1010719360).

Almost surely, 218127970316 is an apocalyptic number.

It is an amenable number.

18127970316 is an abundant number, since it is smaller than the sum of its proper divisors (30386558964).

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

18127970316 is a wasteful number, since it uses less digits than its factorization.

18127970316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414611 (or 5414603 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 18127970316 in words is "eighteen billion, one hundred twenty-seven million, nine hundred seventy thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 1116 1674 3348 5414567 10829134 16243701 21658268 32487402 48731103 64974804 97462206 146193309 167851577 194924412 292386618 335703154 503554731 584773236 671406308 1007109462 1510664193 2014218924 3021328386 4531992579 6042656772 9063985158 18127970316