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6660610646045 = 51970111691011
BaseRepresentation
bin110000011101100101101…
…0101001110000000011101
3212120202012102000110000212
41200323023111032000131
51333111412311133140
622055501533502205
71255133066233106
oct140731325160035
925522172013025
106660610646045
112138827082464
128b6a55041965
133941290cc9b5
14190537a813ad
15b83cee7a765
hex60ecb54e01d

6660610646045 has 8 divisors (see below), whose sum is σ = 8413402921440. Its totient is φ = 5048041752720.

The previous prime is 6660610646003. The next prime is 6660610646051. The reversal of 6660610646045 is 5406460160666.

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

It is not a de Polignac number, because 6660610646045 - 230 = 6659536904221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6660610645984 and 6660610646002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35055845411 + ... + 35055845600.

It is an arithmetic number, because the mean of its divisors is an integer number (1051675365180).

Almost surely, 26660610646045 is an apocalyptic number.

It is an amenable number.

6660610646045 is a deficient number, since it is larger than the sum of its proper divisors (1752792275395).

6660610646045 is a wasteful number, since it uses less digits than its factorization.

6660610646045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70111691035.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 6660610646045 in words is "six trillion, six hundred sixty billion, six hundred ten million, six hundred forty-six thousand, forty-five".

Divisors: 1 5 19 95 70111691011 350558455055 1332122129209 6660610646045