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18270701828 = 2219922953143
BaseRepresentation
bin10001000001000001…
…001100100100000100
31202011022112211010022
4101001001030210010
5244404244424303
612220552314312
71214523255161
oct210101144404
952138484108
1018270701828
117826375785
12365a9a2998
131952340992
14c54775068
1571e02b438
hex44104c904

18270701828 has 12 divisors (see below), whose sum is σ = 32134401600. Its totient is φ = 9089444232.

The previous prime is 18270701803. The next prime is 18270701833. The reversal of 18270701828 is 82810707281.

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, 11475776 + ... + 11477367.

It is an arithmetic number, because the mean of its divisors is an integer number (2677866800).

Almost surely, 218270701828 is an apocalyptic number.

It is an amenable number.

18270701828 is a deficient number, since it is larger than the sum of its proper divisors (13863699772).

18270701828 is a wasteful number, since it uses less digits than its factorization.

18270701828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22953346 (or 22953344 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The spelling of 18270701828 in words is "eighteen billion, two hundred seventy million, seven hundred one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 199 398 796 22953143 45906286 91812572 4567675457 9135350914 18270701828