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6430604015857 = 71013906868427
BaseRepresentation
bin101110110010011110111…
…0111100011100011110001
3211202202111211222000020211
41131210331313203203301
51320324334112001412
621402102333304121
71232411235154210
oct135447567434361
924682454860224
106430604015857
11205a22735993a
1287a364335041
13378532236958
1418335870b077
15b241c51cca7
hex5d93dde38f1

6430604015857 has 8 divisors (see below), whose sum is σ = 7356516687936. Its totient is φ = 5506505082672.

The previous prime is 6430604015839. The next prime is 6430604015909. The reversal of 6430604015857 is 7585104060346.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6430604015857 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 6430604015857.

It is not an unprimeable number, because it can be changed into a prime (6430604015057) 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, 453427123 + ... + 453441304.

It is an arithmetic number, because the mean of its divisors is an integer number (919564585992).

Almost surely, 26430604015857 is an apocalyptic number.

It is an amenable number.

6430604015857 is a deficient number, since it is larger than the sum of its proper divisors (925912672079).

6430604015857 is a wasteful number, since it uses less digits than its factorization.

6430604015857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906869447.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 6430604015857 in words is "six trillion, four hundred thirty billion, six hundred four million, fifteen thousand, eight hundred fifty-seven".

Divisors: 1 7 1013 7091 906868427 6348078989 918657716551 6430604015857