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2168593453 = 131277871669
BaseRepresentation
bin1000000101000010…
…0001110000101101
312121010120221222001
42001100201300231
513420124442303
6555104252301
7104511511615
oct20120416055
95533527861
102168593453
11a131293a4
12506311091
132873863c0
14168023a45
15ca5b631d
hex81421c2d

2168593453 has 16 divisors (see below), whose sum is σ = 2358200320. Its totient is φ = 1982304576.

The previous prime is 2168593451. The next prime is 2168593459. The reversal of 2168593453 is 3543958612.

It is a cyclic number.

It is not a de Polignac number, because 2168593453 - 21 = 2168593451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168593451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298503 + ... + 1300171.

It is an arithmetic number, because the mean of its divisors is an integer number (147387520).

Almost surely, 22168593453 is an apocalyptic number.

It is an amenable number.

2168593453 is a deficient number, since it is larger than the sum of its proper divisors (189606867).

2168593453 is a wasteful number, since it uses less digits than its factorization.

2168593453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its digits is 777600, while the sum is 46.

The square root of 2168593453 is about 46568.1592185047. The cubic root of 2168593453 is about 1294.3728079993.

The spelling of 2168593453 in words is "two billion, one hundred sixty-eight million, five hundred ninety-three thousand, four hundred fifty-three".

Divisors: 1 13 127 787 1651 1669 10231 21697 99949 211963 1299337 1313503 2755519 17075539 166814881 2168593453