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18759606093 = 3214511436527
BaseRepresentation
bin10001011110001010…
…001101111101001101
31210102101111201200200
4101132022031331031
5301404424343333
612341255244113
71232611010064
oct213612157515
953371451620
1018759606093
117a57343798
123776679639
1319cc70c547
14c9d67d1db
1574be01c13
hex45e28df4d

18759606093 has 12 divisors (see below), whose sum is σ = 27115902528. Its totient is φ = 12497776200.

The previous prime is 18759606083. The next prime is 18759606113. The reversal of 18759606093 is 39060695781.

It is not a de Polignac number, because 18759606093 - 24 = 18759606077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18759606083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705205 + ... + 731322.

It is an arithmetic number, because the mean of its divisors is an integer number (2259658544).

Almost surely, 218759606093 is an apocalyptic number.

It is an amenable number.

18759606093 is a deficient number, since it is larger than the sum of its proper divisors (8356296435).

18759606093 is a wasteful number, since it uses less digits than its factorization.

18759606093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437984 (or 1437981 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 18759606093 in words is "eighteen billion, seven hundred fifty-nine million, six hundred six thousand, ninety-three".

Divisors: 1 3 9 1451 4353 13059 1436527 4309581 12928743 2084400677 6253202031 18759606093