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18759685094 = 222134238519
BaseRepresentation
bin10001011110001010…
…100001001111100110
31210102101122202001122
4101132022201033212
5301404434410334
612341301053542
71232611456313
oct213612411746
953371582048
1018759685094
117a57398087
1237766b72b2
1319cc7394a7
14c9d69dd0a
1574be1a32e
hex45e2a13e6

18759685094 has 8 divisors (see below), whose sum is σ = 28152249840. Its totient is φ = 9375601816.

The previous prime is 18759685073. The next prime is 18759685099. The reversal of 18759685094 is 49058695781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18759685099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114834 + ... + 2123685.

It is an arithmetic number, because the mean of its divisors is an integer number (3519031230).

Almost surely, 218759685094 is an apocalyptic number.

18759685094 is a deficient number, since it is larger than the sum of its proper divisors (9392564746).

18759685094 is a wasteful number, since it uses less digits than its factorization.

18759685094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240734.

The product of its (nonzero) digits is 21772800, while the sum is 62.

Adding to 18759685094 its sum of digits (62), we get a square (18759685156 = 1369662).

The spelling of 18759685094 in words is "eighteen billion, seven hundred fifty-nine million, six hundred eighty-five thousand, ninety-four".

Divisors: 1 2 2213 4426 4238519 8477038 9379842547 18759685094