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854834348429 = 1759221849097
BaseRepresentation
bin11000111000010000001…
…10010000000110001101
310000201110212122020221022
430130020012100012031
5103001200043122204
61452412214443525
7115521410034035
oct14341006200615
93021425566838
10854834348429
112aa595782326
1211980a3635a5
13627c2458ca9
142d534b568c5
15173822bb5be
hexc70819018d

854834348429 has 8 divisors (see below), whose sum is σ = 905135071608. Its totient is φ = 804535441920.

The previous prime is 854834348321. The next prime is 854834348447. The reversal of 854834348429 is 924843438458.

It can be written as a sum of positive squares in 4 ways, for example, as 72467563204 + 782366785225 = 269198^2 + 884515^2 .

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 854834348429 - 224 = 854817571213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854834348029) 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, 582209 + ... + 1431305.

It is an arithmetic number, because the mean of its divisors is an integer number (113141883951).

Almost surely, 2854834348429 is an apocalyptic number.

It is an amenable number.

854834348429 is a deficient number, since it is larger than the sum of its proper divisors (50300723179).

854834348429 is a wasteful number, since it uses less digits than its factorization.

854834348429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908335.

The product of its digits is 106168320, while the sum is 62.

The spelling of 854834348429 in words is "eight hundred fifty-four billion, eight hundred thirty-four million, three hundred forty-eight thousand, four hundred twenty-nine".

Divisors: 1 17 59221 849097 1006757 14434649 50284373437 854834348429