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10818387742 = 25409193871
BaseRepresentation
bin10100001001101001…
…10111111100011110
31000220221201001001111
422010310313330132
5134124001401432
64545255332234
7532042531021
oct120464677436
930827631044
1010818387742
114651774918
12211b08107a
13103540a986
14748b171b8
15434b68347
hex284d37f1e

10818387742 has 4 divisors (see below), whose sum is σ = 16227581616. Its totient is φ = 5409193870.

The previous prime is 10818387739. The next prime is 10818387757. The reversal of 10818387742 is 24778381801.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×108183877423 (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2704596934 + ... + 2704596937.

It is an arithmetic number, because the mean of its divisors is an integer number (4056895404).

Almost surely, 210818387742 is an apocalyptic number.

10818387742 is a deficient number, since it is larger than the sum of its proper divisors (5409193874).

10818387742 is an equidigital number, since it uses as much as digits as its factorization.

10818387742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409193873.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 10818387742 in words is "ten billion, eight hundred eighteen million, three hundred eighty-seven thousand, seven hundred forty-two".

Divisors: 1 2 5409193871 10818387742