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18849124094 = 241397579011
BaseRepresentation
bin10001100011011111…
…101100111011111110
31210122121221201022012
4101203133230323332
5302100333432334
612354214051222
71235045624363
oct214337547376
953577851265
1018849124094
117aa2925a09
1237a0649b12
131a15122c88
14cab50246a
15754bd59ce
hex4637ecefe

18849124094 has 16 divisors (see below), whose sum is σ = 29036293776. Its totient is φ = 9171518400.

The previous prime is 18849124069. The next prime is 18849124117. The reversal of 18849124094 is 49042194881.

It is a super-2 number, since 2×188491240942 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256952 + ... + 322059.

It is an arithmetic number, because the mean of its divisors is an integer number (1814768361).

Almost surely, 218849124094 is an apocalyptic number.

18849124094 is a deficient number, since it is larger than the sum of its proper divisors (10187169682).

18849124094 is a wasteful number, since it uses less digits than its factorization.

18849124094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579451.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 18849124094 in words is "eighteen billion, eight hundred forty-nine million, one hundred twenty-four thousand, ninety-four".

Divisors: 1 2 41 82 397 794 16277 32554 579011 1158022 23739451 47478902 229867367 459734734 9424562047 18849124094