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1218313734029 = 7374703914031
BaseRepresentation
bin10001101110101001001…
…010000100011110001101
311022110200101020012011222
4101232221022010132031
5124430101303442104
62331404031253125
7154006643605430
oct21565112043615
94273611205158
101218313734029
1142a758383577
1217814a97a1a5
138ab6a814412
1442d768a1817
1521a578b71be
hex11ba928478d

1218313734029 has 8 divisors (see below), whose sum is σ = 1429989865728. Its totient is φ = 1016045430480.

The previous prime is 1218313734019. The next prime is 1218313734031. The reversal of 1218313734029 is 9204373138121.

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

It is a cyclic number.

It is not a de Polignac number, because 1218313734029 - 216 = 1218313668493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218313734019) 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 7 ways as a sum of consecutive naturals, for example, 2351956757 + ... + 2351957274.

It is an arithmetic number, because the mean of its divisors is an integer number (178748733216).

Almost surely, 21218313734029 is an apocalyptic number.

It is an amenable number.

1218313734029 is a deficient number, since it is larger than the sum of its proper divisors (211676131699).

1218313734029 is an equidigital number, since it uses as much as digits as its factorization.

1218313734029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703914075.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 1218313734029 in words is "one trillion, two hundred eighteen billion, three hundred thirteen million, seven hundred thirty-four thousand, twenty-nine".

Divisors: 1 7 37 259 4703914031 32927398217 174044819147 1218313734029