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1686375053282 = 217137293612737
BaseRepresentation
bin11000100010100011110…
…010010011011111100010
312222012211101011211000202
4120202203302103133202
5210112144003201112
63330413205545202
7232556642304563
oct30424362233742
95865741154022
101686375053282
115a0207832447
122329b7715202
13c3041a4231a
145b899dc416a
152dcee5c26c2
hex188a3c937e2

1686375053282 has 16 divisors (see below), whose sum is σ = 2678556207960. Its totient is φ = 793530236928.

The previous prime is 1686375053281. The next prime is 1686375053327. The reversal of 1686375053282 is 2823505736861.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1355806400881 + 330568652401 = 1164391^2 + 574951^2 .

It is not an unprimeable number, because it can be changed into a prime (1686375053281) 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, 1339583 + ... + 2273154.

Almost surely, 21686375053282 is an apocalyptic number.

1686375053282 is a deficient number, since it is larger than the sum of its proper divisors (992181154678).

1686375053282 is a wasteful number, since it uses less digits than its factorization.

1686375053282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626485.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 1686375053282 in words is "one trillion, six hundred eighty-six billion, three hundred seventy-five million, fifty-three thousand, two hundred eighty-two".

Divisors: 1 2 17 34 13729 27458 233393 466786 3612737 7225474 61416529 122833058 49599266273 99198532546 843187526641 1686375053282