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18350109275 = 521938631809
BaseRepresentation
bin10001000101110000…
…000111001001011011
31202100211222010122212
4101011300013021123
5300040111444100
612232510305335
71216506232601
oct210560071133
952324863585
1018350109275
117867181773
1236814b824b
131965924434
14c61125871
15725eb4635
hex445c0725b

18350109275 has 12 divisors (see below), whose sum is σ = 23951722200. Its totient is φ = 13907450880.

The previous prime is 18350109269. The next prime is 18350109299. The reversal of 18350109275 is 57290105381.

It is not a de Polignac number, because 18350109275 - 232 = 14055141979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19315430 + ... + 19316379.

It is an arithmetic number, because the mean of its divisors is an integer number (1995976850).

Almost surely, 218350109275 is an apocalyptic number.

18350109275 is a deficient number, since it is larger than the sum of its proper divisors (5601612925).

18350109275 is a wasteful number, since it uses less digits than its factorization.

18350109275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38631838 (or 38631833 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 18350109275 in words is "eighteen billion, three hundred fifty million, one hundred nine thousand, two hundred seventy-five".

Divisors: 1 5 19 25 95 475 38631809 193159045 734004371 965795225 3670021855 18350109275