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6940318448921 = 111348533695447
BaseRepresentation
bin110010011111110101100…
…1101110011110100011001
3220120111011201121001102112
41210333223031303310121
51402202233010331141
622432201022442105
71314264363311054
oct144775315636431
926514151531375
106940318448921
112236410915710
129410b6733335
133b4613b58670
1419dcadb99a9b
15c0800e017eb
hex64feb373d19

6940318448921 has 8 divisors (see below), whose sum is σ = 8153660835264. Its totient is φ = 5824043453520.

The previous prime is 6940318448893. The next prime is 6940318448981. The reversal of 6940318448921 is 1298448130496.

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 6940318448921 - 230 = 6939244707097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6940318448981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24266847581 + ... + 24266847866.

It is an arithmetic number, because the mean of its divisors is an integer number (1019207604408).

Almost surely, 26940318448921 is an apocalyptic number.

It is an amenable number.

6940318448921 is a deficient number, since it is larger than the sum of its proper divisors (1213342386343).

6940318448921 is a wasteful number, since it uses less digits than its factorization.

6940318448921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48533695471.

The product of its (nonzero) digits is 11943936, while the sum is 59.

The spelling of 6940318448921 in words is "six trillion, nine hundred forty billion, three hundred eighteen million, four hundred forty-eight thousand, nine hundred twenty-one".

Divisors: 1 11 13 143 48533695447 533870649917 630938040811 6940318448921