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6706145869409 = 74953591933993
BaseRepresentation
bin110000110010110010101…
…1100010011111001100001
3212202002201211120110112002
41201211211130103321201
51334333141320310114
622132432203413345
71261334355240260
oct141454534237141
925662654513462
106706145869409
112156073572768
12903842824255
13398504b7954c
141928174345d7
15b969788d7de
hex61965713e61

6706145869409 has 8 divisors (see below), whose sum is σ = 7664186142720. Its totient is φ = 5748110454816.

The previous prime is 6706145869403. The next prime is 6706145869433. The reversal of 6706145869409 is 9049685416076.

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 6706145869409 - 220 = 6706144820833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6706145869403) 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, 2500517 + ... + 4434509.

It is an arithmetic number, because the mean of its divisors is an integer number (958023267840).

Almost surely, 26706145869409 is an apocalyptic number.

It is an amenable number.

6706145869409 is a deficient number, since it is larger than the sum of its proper divisors (958040273311).

6706145869409 is a wasteful number, since it uses less digits than its factorization.

6706145869409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429359.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 6706145869409 in words is "six trillion, seven hundred six billion, one hundred forty-five million, eight hundred sixty-nine thousand, four hundred nine".

Divisors: 1 7 495359 1933993 3467513 13537951 958020838487 6706145869409