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6406445600705 = 52971431265271
BaseRepresentation
bin101110100111001110111…
…1010100000111111000001
3211200110011012122100211002
41131032131322200333001
51314430400033210310
621343025214501345
71230564460055033
oct135163572407701
924613135570732
106406445600705
11204aa5a586a87
12875741804855
13376182183347
14182106035c53
15b19a6688da5
hex5d39dea0fc1

6406445600705 has 8 divisors (see below), whose sum is σ = 7690322330304. Its totient is φ = 5123431407600.

The previous prime is 6406445600677. The next prime is 6406445600741. The reversal of 6406445600705 is 5070065446046.

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

It is not a de Polignac number, because 6406445600705 - 216 = 6406445535169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6406445600705.

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, 215617781 + ... + 215647490.

It is an arithmetic number, because the mean of its divisors is an integer number (961290291288).

Almost surely, 26406445600705 is an apocalyptic number.

It is an amenable number.

6406445600705 is a deficient number, since it is larger than the sum of its proper divisors (1283876729599).

6406445600705 is a wasteful number, since it uses less digits than its factorization.

6406445600705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431268247.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 6406445600705 in words is "six trillion, four hundred six billion, four hundred forty-five million, six hundred thousand, seven hundred five".

Divisors: 1 5 2971 14855 431265271 2156326355 1281289120141 6406445600705